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ORGANIC SPECTROSCOPY

Read all about Organic Spectroscopy on ORGANIC SPECTROSCOPY INTERNATIONAL 

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DR ANTHONY MELVIN CRASTO Ph.D

DR ANTHONY MELVIN CRASTO Ph.D

DR ANTHONY MELVIN CRASTO, Born in Mumbai in 1964 and graduated from Mumbai University, Completed his Ph.D from ICT, 1991,Matunga, Mumbai, India, in Organic Chemistry, The thesis topic was Synthesis of Novel Pyrethroid Analogues, Currently he is working with GLENMARK PHARMACEUTICALS LTD, Research Centre as Principal Scientist, Process Research (bulk actives) at Mahape, Navi Mumbai, India. Total Industry exp 30 plus yrs, Prior to joining Glenmark, he has worked with major multinationals like Hoechst Marion Roussel, now Sanofi, Searle India Ltd, now RPG lifesciences, etc. He has worked with notable scientists like Dr K Nagarajan, Dr Ralph Stapel, Prof S Seshadri, Dr T.V. Radhakrishnan and Dr B. K. Kulkarni, etc, He did custom synthesis for major multinationals in his career like BASF, Novartis, Sanofi, etc., He has worked in Discovery, Natural products, Bulk drugs, Generics, Intermediates, Fine chemicals, Neutraceuticals, GMP, Scaleups, etc, he is now helping millions, has 9 million plus hits on Google on all Organic chemistry websites. His friends call him Open superstar worlddrugtracker. His New Drug Approvals, Green Chemistry International, All about drugs, Eurekamoments, Organic spectroscopy international, etc in organic chemistry are some most read blogs He has hands on experience in initiation and developing novel routes for drug molecules and implementation them on commercial scale over a 30 year tenure till date Dec 2017, Around 35 plus products in his career. He has good knowledge of IPM, GMP, Regulatory aspects, he has several International patents published worldwide . He has good proficiency in Technology transfer, Spectroscopy, Stereochemistry, Synthesis, Polymorphism etc., He suffered a paralytic stroke/ Acute Transverse mylitis in Dec 2007 and is 90 %Paralysed, He is bound to a wheelchair, this seems to have injected feul in him to help chemists all around the world, he is more active than before and is pushing boundaries, He has 9 million plus hits on Google, 2.5 lakh plus connections on all networking sites, 50 Lakh plus views on dozen plus blogs, He makes himself available to all, contact him on +91 9323115463, email amcrasto@gmail.com, Twitter, @amcrasto , He lives and will die for his family, 90% paralysis cannot kill his soul., Notably he has 19 lakh plus views on New Drug Approvals Blog in 216 countries......https://newdrugapprovals.wordpress.com/ , He appreciates the help he gets from one and all, Friends, Family, Glenmark, Readers, Wellwishers, Doctors, Drug authorities, His Contacts, Physiotherapist, etc

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One hundred percent fruit juice does not alter blood sugar levels — Med-Chemist


The results are consistent with prior studies which have shown that consumption of 100% fruit juice is not linked to increasing risk of developing type 2 diabetes. It also supports a growing body of evidence that fruit juice has no significant impact on glycemic control.The study involved comprehensive data analysis that quantitatively evaluated the correlation between…

via One hundred percent fruit juice does not alter blood sugar levels — Med-Chemist

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Novel Drug Approvals for 2017, A Review/Compilation


Image result for FDA EMA

DRUG APPROVALS BY DR ANTHONY MELVIN CRASTO, Novel Drug Approvals for 2017, A Review Compilation (USFDA, EMA).

Any errors in this compilation, email  amcrasto@gmail.com, Call +919323115463

Some gaps will be filled up soon keep watching……………..

INDEX, NAME (click on the title,  it contains link)

SECTION A; USFDA Approvals

1 Abaloparatide

2 Abemaciclib

3 ACALABRUTINIB

4 ANGIOTENSIN II

5 AVELUMAB

6 BENRALIZUMAB

7 BENZNIDAZOLE

8 BETRIXABAN

9 BRIGATINIB

10 BRODALUMAB

11 CERLIPONASE ALPA

12 COPANLISIB

13 DEFLAZACORT

14 Delafloxacin

15 Deutetrabenazine

16DUPILUMAB

17 DURVALUMAB

18 EDAVARONE

19 EMICIZUMAB

20 Enasidenib

21 ERTUGLIFLOZIN

22 ETELCALCETIDE

23 GLECAPREVIR

24 GUSELKUMAB

25 INOTUZUMAB OZOGAMICIN

26 LATANOPROSTENE

27 LETERMOVIR

28 MACIMORELIN ACETATE

29 MEROPENEM

30 MIDOSTAURIN

31 NALDEMEDINE

32 NERATINIB

33 NETARSUDIL

34 NIRAPARIB

35 Ocrelizumab

36 OZENOXACIN

37 PIBRENTASVIR

38 PLECANATIDE

39 RIBOCICLIB

40  SARILUMAB

41 SECNIDAZOLE

42 SAFINAMIDE

43 SEMAGLUTIDE

44 SOFOSBUVIR

45 TELOTRISTAT ETHYL

46 VABORBACTAM

47 VALBENAZINE

48 VESTRONIDASE ALFA-VJBK

49 VELPATASVIR

50 VOXILAPREVIR

INDEX, FORMULATION NAME

USFDA

•Aliqopa (COPANLISIBto treat adults with relapsed follicular lymphoma — a slow-growing type of nonHodgkin lymphoma (a cancer of the lymph system) — who have received at least two prior systemic therapies;

• ALUNBRIG, BRIGATINIBTo treat patients with anaplastic lymphoma kinase (ALK)-positive metastatic non-small cell lung cancer (NSCLC) who have progressed on or are intolerant to crizotinib

• Austedo, Deutetrabenazine For the treatment of chorea associated with Huntington’s disease

• Bavencio (avelumab) for the treatment of patients 12 years and older with a rare and aggressive form of cancer called metastatic Merkel cell carcinoma, including those who have not received prior chemotherapy;

•BAXDELLA, Delafloxacin, BACTERIAL INFECTIONS

• Benznidazole to treat children ages 2 to 12 years with Chagas disease, a parasitic infection that can cause serious heart illness after years of infection, and can also affect swallowing and digestion. This is the first treatment approved in the United States for this rare disease;

• Besponsa (inotuzumab ozogamicin) for the treatment of adults with a type of cancer of the blood called relapsed or refractory B-cell precursor acute lymphoblastic leukemia;

BEVYXXA, BETRIXABAN, For the prophylaxis of venous thromboembolism (VTE) in adult patients hospitalized for an acute medical illness

• BRINEURA, CERLIPONASE ALFATo treat a specific form of Batten disease

• Calquence (ACALABRUTINIB) to treat adults with mantle cell lymphoma who have received at least one prior therapy. Mantle cell lymphoma is a particularly aggressive cancer;

• DUPIXENT, (DUPILUMAB) To treat adults with moderate-to-severe eczema (atopic dermatitis)

• Emflaza (deflazacort) to treat patients age 5 years and older with Duchenne muscular dystrophy, a rare genetic disorder that causes progressive muscle deterioration and weakness;

• FASENRA, BENRALIZUMAB, For add-on maintenance treatment of patients with severe asthma aged 12 years and older, and with an eosinophilic phenotype

• Giapreza (angiotensin II), for the treatment of hypotension in adults with distributive or vasodilatory shock (dangerously low blood pressure despite adequate heart function) whose blood pressure remains low despite receiving fluids and treatment with drugs called vasopressors;

•  HEMLIBRA EMICIZUMAB To prevent or reduce the frequency of bleeding episodes in adult and pediatric patients with hemophilia A who have developed antibodies called Factor VIII (FVIII) inhibitors.

• Idhifa (enasidenibfor the treatment of adults with relapsed or refractory acute myeloid leukemia, a form of blood cancer, who have a specific genetic mutation;

• IMFINZI, DURVALUMAB To treat patients with locally advanced or metastatic urothelial carcinoma

• Ingrezza (valbenazineto treat adults with tardive dyskinesia, a side effect of some antipsychotic medications whereby patients can experience uncontrollable stiff, jerky movements of their face and body, and other uncontrolled movements such as eye-blinking, sticking out the tongue, and arm-waving;

•  KEVZARA SARILUMAB, RHEUMATOID ARTHRITIS

• KISQALI, RIBOCICLIB, To treat postmenopausal women with a type of advanced breast cancer

• Macrilen  macimorelin acetate, For the diagnosis of adult growth hormone deficiency

• Mavyret (glecaprevir and pibrentasvir) to treat adults with chronic hepatitis C virus genotypes 1-6 without cirrhosis (liver disease) or with mild cirrhosis, including patients with moderate to severe kidney disease, as well as those who are on hemodialysis;

• Mepsevii (vestronidase alfa-vjbk) to treat patients with Sly syndrome or mucopolysaccharidosis type 7 – a rare genetic disorder where an enzyme deficiency results in skeletal abnormalities, developmental delay, enlarged liver and spleen, and narrowed airways, which can lead to respiratory infections;

 Nerlynx (neratinib) for the extended adjuvant treatment — a form of therapy administered after an initial treatment to further lower the risk of the cancer coming back — of early-stage, human epidermal growth factor receptor 2 (HER2)-positive breast cancer;

 OCREVUS, OCRELIZUMAB, To treat patients with relapsing and primary progressive forms of multiple sclerosis

 OZEMPIC SEMAGLUTIDE To improve glycemic control in adults with type 2 diabetes mellitus

PARSABIV, ETELCALCETIDE, To treat secondary hyperparathyroidism in adult patients with chronic kidney disease undergoing dialysis

• Prevymis (letermovir) for prevention of an infection called cytomegalovirus (CMV) in patients who are receiving a bone marrow transplant. CMV disease can cause serious health issues in these patients;

 Radicava (edaravoneto treat patients with amyotrophic lateral sclerosis, commonly referred to as Lou Gehrig’s disease, a rare disease that attacks and kills the nerve cells that control voluntary muscles;

• RHOPRESSA, NETARSUDIL To treat glaucoma or ocular hypertension

• Rydapt (midostaurin) to treat adults newly diagnosed with a form of blood cancer known as acute myeloid leukemia who have a specific genetic mutation called FLT3, in combination with chemotherapy;

• Siliq (brodalumab) to treat adults with moderate-to-severe plaque psoriasis, a chronic disorder in which the body’s immune system sends out faulty signals that speed growth of skin cells that then accumulate, causing red, flaky patches that can appear anywhere on the body;

•SOLOSEC, SECNIDAZOLE To treat bacterial vaginosis

•  STEGLATRO ERTUGLIFLOZIN To improve glycemic control in adults with type 2 diabetes mellitus

• Symproic (Naldemedine) for the treatment of opioid-induced constipation in adults with chronic noncancer pain; • Tremfya (guselkumab) for the treatment of adults with moderate-to-severe plaque psoriasis;

• Trulance (plecanatide) to treat adults with chronic idiopathic constipation, which is a persistent condition of constipation due to unknown origin;

• TYMLOS, Abaloparatide, To treat osteoporosis in postmenopausal women at high risk of fracture or those who have failed other therapies

• Vabomere (vaborbactam and meropenem) for treatment of adults with complicated urinary tract infections, including pyelonephritis (kidney infection) caused by bacteria;

• Verzenio (abemaciclib) to treat adults who have hormone receptor (HR)-positive, HER2-negative advanced or metastatic breast cancer that has progressed after taking therapy that alters a patient’s hormones (endocrine therapy);

• Vosevi (sofosbuvir/velpatasvir/voxilaprevir) to treat adults with chronic hepatitis C virus genotypes 1-6 without cirrhosis (liver disease) or with mild cirrhosis;

• VYZULTA LATANOPROSTENE To treat intraocular pressure in patients with open-angle glaucoma or ocular hypertension.

• Xadago (safinamide) as an add-on treatment for patients with Parkinson’s disease who are currently taking levodopa/carbidopa and experiencing “off” episodes;

XERMELO, TELOTRISTAT ETHYL combined with somatostatin analog (SSA) therapy to treat adults with carcinoid syndrome diarrhea that SSA therapy alone has inadequately controlled, and;

• XEPI OZENOXACIN TO TREAT IMPETIGO

XERMELO, TELOTRISTAT ETHYL, To treat carcinoid syndrome diarrhea

• Zejula (niraparib) for the maintenance treatment (intended to delay cancer growth) of adults with recurrent epithelial ovarian, fallopian tube or primary peritoneal cancer, whose tumors have completely or partially shrunk (complete or partial response, respectively) in response to platinum-based chemotherapy

USFDA

No. Drug
Name
Active Ingredient Approval Date FDA-approved use on approval date
46. Giapreza angiotensin II 12/21/2017 To increase blood pressure in adults with septic or other distributive shock
Press Release
Drug Trials Snapshot
45. Macrilen macimorelin acetate 12/20/2017 For the diagnosis of adult growth hormone deficiency
Drug Trials Snapshot
44. Steglatro ertugliflozin 12/19/2017 To improve glycemic control in adults with type 2 diabetes mellitus
Drug Trials Snapshot
43. Rhopressa netarsudil 12/18/2017 To treat glaucoma or ocular hypertension
Drug Trials Snapshot
42. Xepi ozenoxacin 12/11/2017 To treat impetigo
Drug Trials Snapshot
41. Ozempic semaglutide 12/5/2017 To improve glycemic control in adults with type 2 diabetes mellitus
Drug Trials Snapshot
40. Hemlibra emicizumab 11/16/2017 To prevent or reduce the frequency of bleeding episodes in adult and pediatric patients with hemophilia A who have developed antibodies called Factor VIII (FVIII) inhibitors.
Press Release

Drug Trials Snapshot
39. Mepsevii vestronidase alfa-vjbk 11/15/2017 To treat pediatric and adult patients with an inherited metabolic condition called mucopolysaccharidosis type VII (MPS VII), also known as Sly syndrome.
Press Release
Drug Trials Snapshot
38. Fasenra  benralizumab 11/14/2017 For add-on maintenance treatment of patients with severe asthma aged 12 years and older, and with an eosinophilic phenotype
Drug Trials Snapshot
37. Prevymis letermovir 11/8/2017 To prevent infection after bone marrow transplant
Drug Trials Snapshot
36. Vyzulta latanoprostene bunod ophthalmic solution 11/2/2017 To treat intraocular pressure in patients with open-angle glaucoma or ocular hypertension.
Drug Trials Snapshot
35. Calquence acalabrutinib 10/31/2017 To treat adults with mantle cell lymphoma
Press Release
Drug Trials Snapshot
34. Verzenio abemaciclib 9/28/2017 To treat certain advanced or metastatic breast cancers
Press Release
Drug Trials Snapshot
33. Solosec secnidazole 9/15/2017 To treat bacterial vaginosis
Drug Trials Snapshot
32. Aliqopa copanlisib 9/14/2017 To treat adults with relapsed follicular lymphoma
Press Release
Drug Trials Snapshot
31. benznidazole benznidazole 8/29/2017 To treat children ages 2 to 12 years old with Chagas disease
Press Release
Drug Trials Snapshot
30. Vabomere meropenem and vaborbactam 8/29/2017 To treat adults with complicated urinary tract infections
Press Release
Drug Trials Snapshot
29. Besponsa inotuzumab ozogamicin 8/17/2017 To treat adults with relapsed or refractory acute lymphoblastic leukemia
Press Release
Drug Trials Snapshot
28. Mavyret glecaprevir and pibrentasvir 8/3/2017 To treat adults with chronic hepatitis C virus
Press Release
Drug Trials Snapshot
27. Idhifa enasidenib 8/1/2017 To treat relapsed or refractory acute myeloid leukemia
Press Release
Drug Trials Snapshot
26. Vosevi sofosbuvirvelpatasvir and voxilaprevir 7/18/2017 To treat adults with chronic hepatitis C virus
Press Release
Drug Trials Snapshot
25. Nerlynx neratinib maleate 7/17/2017 To reduce the risk of breast cancer returning
Press Release
Drug Trials Snapshot
24. Tremfya guselkumab 7/13/2017 For the treatment of adult patients with moderate-to-severe plaque psoriasis
Drug Trials Snapshot
23. Bevyxxa betrixaban 6/23/2017 For the prophylaxis of venous thromboembolism (VTE) in adult patients hospitalized for an acute medical illness
Drug Trials Snapshot
22. Baxdela delafloxacin 6/19/2017 To treat patients with acute bacterial skin infections
Drug Trials Snapshot
21. Kevzara sarilumab 5/22/2017 To treat adult rheumatoid arthritis
Drug Trials Snapshot
20. Radicava edaravone 5/5/2017 To treat patients with amyotrophic lateral sclerosis (ALS)
Press Release
Drug Trials Snapshot
19. Imfinzi durvalumab 5/1/2017 To treat patients with locally advanced or metastatic urothelial carcinoma
Web Post
Drug Trials Snapshot
18. Tymlos abaloparatide 4/28/2017 To treat osteoporosis in postmenopausal women at high risk of fracture or those who have failed other therapies
Drug Trials Snapshot
17. Rydapt midostaurin 4/28/2017 To treat acute myeloid leukemia
Press Release Chemistry Review(s) (PDF)
Drug Trials Snapshot
16. Alunbrig brigatinib 4/28/2017 To treat patients with anaplastic lymphoma kinase (ALK)-positive metastatic non-small cell lung cancer (NSCLC) who have progressed on or are intolerant to crizotinib
Drug Trials Snapshot
15. Brineura cerliponase alfa 4/27/2017 To treat a specific form of Batten disease
Press Release
Drug Trials Snapshot
14. Ingrezza valbenazine 4/11/2017 To treat adults with tardive dyskinesia
Press Release Chemistry Review(s) (PDF)Drug Trials Snapshot
13. Austedo deutetrabenazine 4/3/2017 For the treatment of chorea associated with Huntington’s disease
Drug Trials Snapshot,  Chemistry Review(s) (PDF)
12. Ocrevus ocrelizumab 3/28/2017 To treat patients with relapsing and primary progressive forms of multiple sclerosis
Press Release
Drug Trials Snapshot
11. Dupixent dupilumab 3/28/2017 To treat adults with moderate-to-severe eczema (atopic dermatitis)
Press Release
Drug Trials Snapshot
10. Zejula niraparib 3/27/2017 For the maintenance treatment for recurrent epithelial ovarian, fallopian tube or primary peritoneal cancers
Press Release
Drug Trials Snapshot
9. Symproic naldemedine 3/23/2017

For the treatment of opioid-induced constipation
Drug Trials Snapshot

8. Bavencio avelumab 3/23/2017 To treat metastatic Merkel cell carcinoma
Press Release
Drug Trials Snapshot
7. Xadago safinamide 3/21/2017 To treat Parkinson’s disease
Press Release
Drug Trials SnapshotChemistry Review(s) (PDF)
6. Kisqali ribociclib 3/13/2017 To treat postmenopausal women with a type of advanced breast cancer
Drug Trials Snapshot
5. Xermelo telotristat ethyl 2/28/2017 To treat carcinoid syndrome diarrhea
Press Release
Drug Trials Snapshot
4. Siliq brodalumab 2/15/2017 To treat adults with moderate-to-severe plaque psoriasis
Press Release
Drug Trials Snapshot
3. Emflaza deflazacort 2/9/2017 To treat patients age 5 years and older with Duchenne muscular dystrophy (DMD)
Press Release
Drug Trials Snapshot
2. Parsabiv etelcalcetide 2/7/2017 To treat secondary hyperparathyroidism in adult patients with chronic kidney disease undergoing dialysis
Drug Trials Snapshot
1. Trulance plecanatide 1/19/2017 To treat Chronic Idiopathic Constipation (CIC) in adult patients.
Press Release
Drug Trials Snapshot

* This information is currently accurate. In rare instances, it may be necessary for FDA to change a drug’s new molecular entity (NME) designation or the status of its application as a novel new biologics license application (BLA).  For instance, new information may become available which could lead to a reconsideration of the original designation or status.  If changes must be made to a drug’s designation or the status of an application as a novel BLA, the Agency intends to communicate the nature of, and the reason for, any revisions as appropriate.

1 Abaloparatide

RADIUS

str1

Tymlos

FDA 4/28/2017

To treat osteoporosis in postmenopausal women at high risk of fracture or those who have failed other therapies
Drug Trials Snapshot

Image result for AbaloparatideImage result for Abaloparatide

link……..https://newdrugapprovals.org/2018/02/13/abaloparatide-%D0%B0%D0%B1%D0%B0%D0%BB%D0%BE%D0%BF%D0%B0%D1%80%D0%B0%D1%82%D0%B8%D0%B4-%D8%A3%D8%A8%D8%A7%D9%84%D9%88%D8%A8%D8%A7%D8%B1%D8%A7%D8%AA%D9%8A%D8%AF-%E5%B7%B4%E7%BD%97%E6%97%81/

2 Abemaciclib

ELI LILLY

Verzenio abemaciclib FDA 9/28/2017 To treat certain advanced or metastatic breast cancers
Press Release
Drug Trials Snapshot

LINK https://newdrugapprovals.org/2015/10/19/abemaciclib-bemaciclib/

Image result for abemaciclibImage result for abemaciclib

3 Acalabrutinib

Calquence FDA APPROVED

10/31/2017

To treat adults with mantle cell lymphoma
Press Release
Drug Trials Snapshot

Image result for AcalabrutinibImage result for AcalabrutinibImage result for Acalabrutinib

LINK……….https://newdrugapprovals.org/2018/02/02/acalabrutinib-acp-196-%D0%B0%D0%BA%D0%B0%D0%BB%D0%B0%D0%B1%D1%80%D1%83%D1%82%D0%B8%D0%BD%D0%B8%D0%B1-%D8%A3%D9%83%D8%A7%D9%84%D8%A7%D8%A8%D8%B1%D9%88%D8%AA%D9%8A%D9%86%D9%8A%D8%A8-%E9%98%BF/

4 Angiotensin II

LA JOLLA

Giapreza angiotensin II 12/21/2017 To increase blood pressure in adults with septic or other distributive shock
Press Release
Drug Trials Snapshot

Image result for angiotensin IIImage result for GIAPREZA

LINK https://newdrugapprovals.org/2017/12/22/fda-approves-drug-giapreza-angiotensin-ii-to-treat-dangerously-low-blood-pressure/

5 AVELUMAB

MERCK

Image result for AVELUMABImage result for AVELUMAB

Bavencio FDA 3/23/2017 To treat metastatic Merkel cell carcinoma
Press Release
Drug Trials Snapshot

LINK…..https://newdrugapprovals.org/2017/03/24/fda-approves-first-treatment-bavencio-avelumabfor-rare-form-of-skin-cancer/

6 BENRALIZUMAB

ASTRA ZENECA

Fasenra benralizumab

FDA 11/14/2017

For add-on maintenance treatment of patients with severe asthma aged 12 years and older, and with an eosinophilic phenotype
Drug Trials Snapshot

Image result for BENRALIZUMAB

7 Benznidazole

CHEMO RESEARCH

Image result for BENZNIDAZOLE

Image result for BENZNIDAZOLEImage result for BENZNIDAZOLE

benznidazole FDA

8/29/2017

To treat children ages 2 to 12 years old with Chagas disease
Press Release
Drug Trials Snapshot

LINK…https://newdrugapprovals.org/2017/08/30/fda-approves-first-u-s-treatment-benznidazole-for-chagas-disease/

8 BETRIXABAN

PORTOLA PHARMA

Image result for betrixaban

Bevyxxa FDA

6/23/2017

For the prophylaxis of venous thromboembolism (VTE) in adult patients hospitalized for an acute medical illness
Drug Trials Snapshot

Image result for betrixabanImage result for betrixaban

STR2STR1

LINK…….https://newdrugapprovals.org/2013/03/05/phase-3-portola-pharma-betrixaban-long-acting-oral-direct-factor-xa-inhibitor/

9 BRIGATINIB

Figure imgf000127_0001

TAKEDA

Image result for BRIGATINIBImage result for BRIGATINIB

Alunbrig FDA

4/28/2017

To treat patients with anaplastic lymphoma kinase (ALK)-positive metastatic non-small cell lung cancer (NSCLC) who have progressed on or are intolerant to crizotinib
Drug Trials Snapshot

LINK..https://newdrugapprovals.org/2017/01/20/brigatinib-%D0%B1%D1%80%D0%B8%D0%B3%D0%B0%D1%82%D0%B8%D0%BD%D0%B8%D0%B1-%D8%A8%D8%B1%D9%8A%D8%BA%D8%A7%D8%AA%D9%8A%D9%86%D9%8A%D8%A8-%E5%B8%83%E6%A0%BC%E6%9B%BF%E5%B0%BC/

10 BRODALUMAB

VALEANT PHARMA

Siliq FDA

2/15/2017

To treat adults with moderate-to-severe plaque psoriasis
Press Release
Drug Trials Snapshot

Image result for BRODALUMAB

LINK ,,,,https://newdrugapprovals.org/2017/02/16/fda-approves-new-psoriasis-drug-siliq-brodalumab/

11 CERLIPONASE ALFA

Image resultImage result for cerliponase alfaImage result for cerliponase alfa

Brineura FDA 4/27/2017 To treat a specific form of Batten disease
Press Release
Drug Trials Snapshot

LINK….https://newdrugapprovals.org/2017/04/28/fda-approves-first-treatment-for-a-form-of-batten-disease-brineura-cerliponase-alfa/

12 Copanlisib

Aliqopa FDA APPROVED

9/14/2017

To treat adults with relapsed follicular lymphoma
Press Release
Drug Trials Snapshot

Copanlisib dihydrochloride.png

Image result for copanlisibImage result for copanlisib

LINK…..https://newdrugapprovals.org/2017/11/20/copanlisib/

 

 

13  DEFLAZACORT

MARATHON PHARMA

Image result for deflazacort

Emflaza FDA 2/9/2017 To treat patients age 5 years and older with Duchenne muscular dystrophy (DMD)
Press Release
Drug Trials Snapshot

LINK……https://newdrugapprovals.org/2017/02/17/deflazacort/

14 DELAFLOXACIN

Baxdela FDA APPROVED

6/19/2017

To treat patients with acute bacterial skin infections

Image result for delafloxacin

Image result for delafloxacinImage result for delafloxacin

LINK……..https://newdrugapprovals.org/2018/01/25/delafloxacin/

15 Deutetrabenazine

TEVA

Deutetrabenazine.svg

Image result for deutetrabenazineImage result for deutetrabenazineImage result for deutetrabenazine

LINK……………https://newdrugapprovals.org/2015/08/15/sd-809-deutetrabenazine-nda-submitted-by-teva/

Austedo FDA 4/3/2017 For the treatment of chorea associated with Huntington’s disease
Drug Trials Snapshot   Chemistry Review(s) (PDF)

STR1STR2str3

16 DUPILUMAB

SANOFI/REGENERON

Image result for DUPILUMABImage result for DUPILUMAB

Dupixent FDA 3/28/2017 To treat adults with moderate-to-severe eczema (atopic dermatitis)
Press Release
Drug Trials Snapshot

LINK…….https://newdrugapprovals.org/2017/03/29/fda-approves-new-eczema-drug-dupixent-dupilumab/

 

17 DURVALUMAB

ASTRA ZENECA

Image result for DURVALUMAB

Imfinzi

durvalumab FDA 5/1/2017To treat patients with locally advanced or metastatic urothelial carcinoma
Web Post
Drug Trials Snapshot

18 EDAVARONE

Image result for EDARAVONE

MITSUBISHI TANABE

Radicava FDA 5/5/2017 To treat patients with amyotrophic lateral sclerosis (ALS)
Press Release
Drug Trials Snapshot

Image result for EDARAVONEImage result for EDARAVONE

LINK………https://newdrugapprovals.org/2017/05/06/fda-approves-drug-to-treat-als-radicava-edaravone-%D1%8D%D0%B4%D0%B0%D1%80%D0%B0%D0%B2%D0%BE%D0%BD-%D8%A5%D9%8A%D8%AF%D8%A7%D8%B1%D8%A7%D9%81%D9%88%D9%86-%E4%BE%9D%E8%BE%BE%E6%8B%89%E5%A5%89/

19 EMICIZUMAB

ROCHE

Image result for EMICIZUMAB

Hemlibra emicizumab FDA 11/16/2017 To prevent or reduce the frequency of bleeding episodes in adult and pediatric patients with hemophilia A who have developed antibodies called Factor VIII (FVIII) inhibitors.
Press Release

Drug Trials Snapshot

LINK https://newdrugapprovals.org/2017/11/17/fda-approves-new-treatment-hemlibra-emicizumab-kxwh-to-prevent-bleeding-in-certain-patients-with-hemophilia-a/

Image result for EMICIZUMAB

20 Enasidenib

Enasidenib.png

Image result for EnasidenibImage result for Enasidenib

Idhifa FDA

8/1/2017

To treat relapsed or refractory acute myeloid leukemia
Press Release
Drug Trials Snapshot

Image result for Enasidenib

LINK……https://newdrugapprovals.org/2017/08/02/enasidenib-%D1%8D%D0%BD%D0%B0%D1%81%D0%B8%D0%B4%D0%B5%D0%BD%D0%B8%D0%B1-%D8%A5%D9%8A%D9%86%D8%A7%D8%B3%D9%8A%D8%AF%D9%8A%D9%86%D9%8A%D8%A8-%E4%BC%8A%E9%82%A3%E5%B0%BC%E5%B8%83/

21 Ertugliflozin

MERCK

Image result for ERTUGLIFLOZIN

Steglatro ertugliflozin FDA

12/19/2017

To improve glycemic control in adults with type 2 diabetes mellitus
Drug Trials Snapshot

LINK https://newdrugapprovals.org/2014/02/10/ertugliflozin/

Image result for ERTUGLIFLOZIN

22 ETELCALCETIDE

Amgen

Parsabiv FDA APPROVED

2/7/2017

To treat secondary hyperparathyroidism in adult patients with chronic kidney disease undergoing dialysis
Drug Trials SnapshotSYNTHESIS LINK……..https://cen.acs.org/articles/96/i4/the-year-in-new-drugs-2018.html

Image result for ETELCALCETIDEImage result for ETELCALCETIDE

SYNTHESIS LINK……..https://cen.acs.org/articles/96/i4/the-year-in-new-drugs-2018.html

23 GLECAPREVIR

ABBVIE

Image result for GLECAPREVIR

Mavyret glecaprevir and pibrentasvir FDA 8/3/2017 To treat adults with chronic hepatitis C virus
Press Release
Drug Trials Snapshot

LINK https://newdrugapprovals.org/2016/10/05/glecaprevir-abt-493/

Image result for GLECAPREVIRImage result for GLECAPREVIRImage result for GLECAPREVIR

24 GUSELKUMAB

JOHNSON AND JOHNSON

Tremfya

guselkumab

FDA 7/13/2017

For the treatment of adult patients with moderate-to-severe plaque psoriasis
Drug Trials Snapshot

Image result for GUSELKUMABImage result for GUSELKUMAB

 

25 Inotuzumab ozogamicin

PFIZER

Image result for inotuzumab ozogamicin

Image result for inotuzumab ozogamicinImage result for inotuzumab ozogamicin

Besponsa FDA

8/17/2017

To treat adults with relapsed or refractory acute lymphoblastic leukemia
Press Release
Drug Trials Snapshot

LINK….https://newdrugapprovals.org/2015/10/23/fda-grants-breakthrough-status-for-pfizers-leukaemia-drug-inotuzumab-ozogamicin/

26 LATANOPROSTENE

VALEANT

Image result for LATANOPROSTENE

latanoprostene bunod ophthalmic solution

FDA 11/2/2017

To treat intraocular pressure in patients with open-angle glaucoma or ocular hypertension.
Drug Trials Snapshot

Image result for LATANOPROSTENE

LINK https://newdrugapprovals.org/2014/09/27/nicox-stock-leaps-on-positive-ph-iii-glaucoma-drug-data-%E8%8B%B1%E6%96%87%E5%90%8D%E7%A7%B0/

 

 

27 LETERMOVIR

MERCK

Image result for LETERMOVIR

Prevymis FDA 11/8/2017 To prevent infection after bone marrow transplant
Drug Trials Snapshot

LINK https://newdrugapprovals.org/2016/05/16/letermovir-aic-246/

Image result for LETERMOVIRImage result for LETERMOVIR

 

28 Macimorelin acetate

AETERNA ZENTARIS

Macrilen macimorelin acetate FDA

12/20/2017

For the diagnosis of adult growth hormone deficiency
Drug Trials Snapshot

LINK https://newdrugapprovals.org/2014/01/07/aeterna-zentaris-submits-new-drug-application-to-fda-for-macimorelin-acetate-aezs-130-for-evaluation-of-aghd-2/

 Image result for macimorelin acetate

29 MEROPENEM

Image result for MEROPENEM


30 MIDOSTAURIN

NOVARTIS

Image result for MIDOSTAURIN

Rydapt FDA

4/28/2017

To treat acute myeloid leukemia
Press Release
Drug Trials Snapshot

STR1 STR2

LINK…….https://newdrugapprovals.org/2017/04/29/fda-approves-new-combination-treatment-for-acute-myeloid-leukemia-rydapt-midostaurin/

31 Naldemedine

FDA 3/23/2017, Symproic, For the treatment of opioid-induced constipation

Image result for naldemedine

Image result for naldemedineImage result for naldemedine

LINK……..https://newdrugapprovals.org/2018/01/24/naldemedine-%E3%83%8A%E3%83%AB%E3%83%87%E3%83%A1%E3%82%B8%E3%83%B3%E3%83%88%E3%82%B7%E3%83%AB%E9%85%B8%E5%A1%A9/

32 NERATINIB MALEATE

PUMA BIOTECH

Image result for NERATINIB

Image result for NERATINIBImage result for NERATINIBImage result for NERATINIB

Nerlynx FDA 7/17/2017 To reduce the risk of breast cancer returning
Press Release
Drug Trials Snapshot

LINK…https://newdrugapprovals.org/2014/04/11/neratinib-hki-272-puma-presents-positive-results-from-phase-ii-trial-of-its-investigational-drug-pb272/

33 NETARSUDIL

Rhopressa FDA APPROVED

12/18/2017

To treat glaucoma or ocular hypertension

Image result for Netarsudil

Image result for Netarsudil

LINK……https://newdrugapprovals.org/2018/01/29/netarsudil/

34 NIRAPARIB

TESARO

Zejula FDA 3/27/2017 For the maintenance treatment for recurrent epithelial ovarian, fallopian tube or primary peritoneal cancers
Press Release
Drug Trials Snapshot

Figure imgf000023_0001Image result for TESARO

Image result for NIRAPARIB

LINK…https://newdrugapprovals.org/2016/12/22/niraparib-mk-4827/

35 OCRELIZUMAB

ROCHE

Ocrevus FDA 3/28/2017 To treat patients with relapsing and primary progressive forms of multiple sclerosis
Press Release
Drug Trials Snapshot

Image result for ocrelizumabImage result for ocrelizumab

LINK..https://newdrugapprovals.org/2017/03/30/fda-approves-new-drug-to-treat-multiple-sclerosis-ocrevus-ocrelizumab/

36 OZENOXACIN

MEDIMETRIX

Image result for ozenoxacin

LINK https://newdrugapprovals.org/2014/03/28/ozenoxacin-in-phase-3-topical-formulation-in-the-treatment-of-impetigo/

Image result for ozenoxacin

Xepi ozenoxacin FDA

12/11/2017

To treat impetigo
Drug Trials Snapshot

37 Pibrentasvir

ABBVIE

Image result for PIBRENTASVIR

Mavyret glecaprevir and pibrentasvir FDA 8/3/2017 To treat adults with chronic hepatitis C virus
Press Release
Drug Trials Snapshot

LINK https://newdrugapprovals.org/2016/06/08/abt-530-pibrentasvir/

Image result for PIBRENTASVIRImage result for PIBRENTASVIR

 

38 PLECANATIDE

Plecanatide 普卡那肽 ليكاناتيد плеканатид

SYNERGY PHARMA

Image result for PLECANATIDEImage result for PLECANATIDE

Trulance FDA APPROVED

1/19/2017

To treat Chronic Idiopathic Constipation (CIC) in adult patients.
Press Release
Drug Trials Snapshot

LINK ….https://newdrugapprovals.org/2016/04/21/plecanatide-%E6%99%AE%E5%8D%A1%E9%82%A3%E8%82%BD-%D9%84%D9%8A%D9%83%D8%A7%D9%86%D8%A7%D8%AA%D9%8A%D8%AF-%D0%BF%D0%BB%D0%B5%D0%BA%D0%B0%D0%BD%D0%B0%D1%82%D0%B8%D0%B4/

 

39 RIBOCICLIB

NOVARTIS

2D chemical structure of 1374639-75-4

Structure..link for correct structure

Kisqali FDA 3/13/2017 To treat postmenopausal women with a type of advanced breast cancer
Drug Trials Snapshot

Image result for RIBOCICLIB

LINK https://newdrugapprovals.org/2015/10/19/ribociclib/

40  SARILUMAB

SANOFI /REGENERON

Kevzara sarilumab FDA 5/22/2017 To treat adult rheumatoid arthritis
Drug Trials Snapshot

LINK https://newdrugapprovals.org/2013/11/25/late-stage-success-for-sanofiregeneron-ra-drug-sarilumab/

Image result for SARILUMABImage result for SARILUMAB

41 SECNIDAZOLE

SYMBIOMIX

Secnidazole.svg

Solosec FDA 9/15/2017 To treat bacterial vaginosis
Drug Trials Snapshot

Image result for SECNIDAZOLE

link….https://newdrugapprovals.org/2017/11/03/secnidazole-%D1%81%D0%B5%D0%BA%D0%BD%D0%B8%D0%B4%D0%B0%D0%B7%D0%BE%D0%BB-%D8%B3%D9%8A%D9%83%D9%86%D9%8A%D8%AF%D8%A7%D8%B2%D9%88%D9%84-%E5%A1%9E%E5%85%8B%E7%A1%9D%E5%94%91/

42 SAFINAMIDE

NEWRON PHARMA

Image result for safinamide

Image result for safinamideImage result for safinamide

STR1

Xadago FDA 3/21/2017 To treat Parkinson’s disease
Press Release
Drug Trials Snapshot

LINK…https://newdrugapprovals.org/2017/03/22/fda-approves-drug-xadago-safinamide-%D1%81%D0%B0%D1%84%D0%B8%D0%BD%D0%B0%D0%BC%D0%B8%D0%B4-%D8%B3%D8%A7%D9%81%D9%8A%D9%86%D8%A7%D9%85%D9%8A%D8%AF-%E6%B2%99%E9%9D%9E%E8%83%BA-to-treat-parkins/

43 Semaglutide

NOVO NORDISK

Image result for SEMAGLUTIDE

Ozempic semaglutide FDA

12/5/2017

To improve glycemic control in adults with type 2 diabetes mellitus
Drug Trials Snapshot

LINK https://newdrugapprovals.org/2013/07/22/a-survey-of-promising-late-stage-diabetes-drugs/

Image result for SEMAGLUTIDE

44 SOFOSBUVIR

LINK https://newdrugapprovals.org/2013/12/11/us-approves-breakthrough-hepatitis-c-drug-sofosbuvir-all-about-drugs/

45 TELOTRISTAT ETHYL

LEXICON

LX1606 Hippurate.png

Xermelo FDA

2/28/2017

To treat carcinoid syndrome diarrhea
Press Release
Drug Trials Snapshot

Image result for Lexicon Pharmaceuticals, Inc.STR1

46 VABORBACTAM

THE MEDICINES CO

Image result for Vaborbactam

Vabomere meropenem and vaborbactam FDA

8/29/2017

To treat adults with complicated urinary tract infections
Press Release
Drug Trials Snapshot

Image result for VABOMERE

LINK     https://newdrugapprovals.org/2017/09/05/vaborbactam-%D0%B2%D0%B0%D0%B1%D0%BE%D1%80%D0%B1%D0%B0%D0%BA%D1%82%D0%B0%D0%BC-%D9%81%D8%A7%D8%A8%D9%88%D8%B1%D8%A8%D8%A7%D9%83%D8%AA%D8%A7%D9%85-%E6%B3%95%E7%A1%BC%E5%B7%B4%E5%9D%A6/

47 VALBENAZINE

NEUROCRINE

Image result for valbenazine

Image result for VALBENAZINEImage result for VALBENAZINEImage result for VALBENAZINE

Ingrezza FDA

4/11/2017

To treat adults with tardive dyskinesia
Press Release
Drug Trials Snapshot

LINK…………..https://newdrugapprovals.org/2017/04/12/fda-approves-first-drug-ingrezza-valbenazine-to-treat-tardive-dyskinesia/

48 Vestronidase alfa-vjbk

ULTRAGENYX

Mepsevii vestronidase alfa-vjbk FDA 11/15/2017 To treat pediatric and adult patients with an inherited metabolic condition called mucopolysaccharidosis type VII (MPS VII), also known as Sly syndrome.
Press Release
Drug Trials Snapshot

Image result for vestronidase alfa-vjbkImage result for vestronidase alfa-vjbk

LINK…https://newdrugapprovals.org/2017/11/16/fda-approves-mepsevii-vestronidase-alfa-vjbk-for-treatment-for-rare-genetic-enzyme-disorder/

49 VELPATASVIR

LINK https://newdrugapprovals.org/2016/07/30/velpatasvir-gs-5816-gilead-sciences-%D0%B2%D0%B5%D0%BB%D0%BF%D0%B0%D1%82%D0%B0%D1%81%D0%B2%D0%B8%D1%80-%D9%81%D8%A7%D9%84%D8%A8%D8%A7%D8%AA%D8%A7%D8%B3%D9%81%D9%8A%D8%B1-%E7%BB%B4%E5%B8%95/

50 VOXILAPREVIR

GILEAD

Image result for VOXILAPREVIR

Image result for VOXILAPREVIR

Vosevi sofosbuvir, velpatasvir and voxilaprevir FDA 7/18/2017 To treat adults with chronic hepatitis C virus
Press Release
Drug Trials Snapshot

LINK https://newdrugapprovals.org/2017/07/19/voxilaprevir-%D9%81%D9%88%D9%83%D8%B3%D9%8A%D9%84%D8%A7%D8%A8%D8%B1%D9%8A%D9%81%D9%8A%D8%B1-%E4%BC%8F%E8%A5%BF%E7%91%9E%E9%9F%A6-%D0%B2%D0%BE%D0%BA%D1%81%D0%B8%D0%BB%D0%B0%D0%BF%D1%80%D0%B5%D0%B2/

 

 

SECTION B; EMA approvals

European Medicines Agency’s – Human medicines: Highlights of 2017

Advances in medicines authorizations are essential for public health as they have the potential to improve treatment of diseases. In 2017, EMA recommended 92 medicines for marketing authorization. Of these, 35 had a new active substance, which has never been authorized in the European Union (EU) before. Many of these medicines represent a significant improvement in their therapeutic areas; they include medicines for children, for rare diseases and advanced therapies42. Amongst the 35 new active substances (NAS) that EMA recommended, 11 were new drugs and biologics to treat cancer, 05 to treat neurological disorders, 04 for infectious diseases, 04 for immunology/rheumatology, 03 for endocrinology, 02 each for Uro-nephrology, haematology, and dermatology, 01 for Pneumonology, and 01 for hepatology/gastroenterology class of drugs.

STR1 STR2 str3 str4 str5

STR1 STR2

SECTION B; EMA Approvals

KEEP WATCHING UNDER CONSTRUCTION AND WILL BE PASTED SOON………………………………………..

 

 

 

KEEP WATCHING UNDER CONSTRUCTION AND WILL BE PASTED SOON………………………………………..

 

 

 

KEEP WATCHING UNDER CONSTRUCTION AND WILL BE PASTED SOON………………………………………..

 

 

KEEP WATCHING UNDER CONSTRUCTION AND WILL BE PASTED SOON………………………………………..

REFERENCES

http://www.ema.europa.eu/ema/index.jsp?curl=pages/news_and_events/news/2018/01/news_detail_002886.jsp&mid=WC0b01ac058004d5c1

http://www.ema.europa.eu/docs/en_GB/document_library/Report/2018/01/WC500242079.pdf

 

 

 

“NEW DRUG APPROVALS” CATERS TO EDUCATION GLOBALLY, No commercial exploits are done or advertisements added by me. This is a compilation for educational purposes only. P.S. : The views expressed are my personal and in no-way suggest the views of the professional body or the company that I represent

 

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I , Dr A.M.Crasto is writing this blog to share the knowledge/views, after reading Scientific Journals/Articles/News Articles/Wikipedia. My views/comments are based on the results /conclusions by the authors(researchers). I do mention either the link or reference of the article(s) in my blog and hope those interested can read for details. I am briefly summarising the remarks or conclusions of the authors (researchers). If one believe that their intellectual property right /copyright is infringed by any content on this blog, please contact or leave message at below email address amcrasto@gmail.com. It will be removed ASAP

 

////////EMA APPROVALS, USFDA Approvals, ACALABRUTINIBAVELUMABBETRIXABANBRODALUMABCOPANLISIBDEFLAZACORTDelafloxacinDeutetrabenazineDUPILUMABETELCALCETIDENaldemedineNETARSUDILNIRAPARIBOcrelizumabPLECANATIDERIBOCICLIBSAFINAMIDETELOTRISTAT ETHYL, VALBENAZINE, CERLIPONASE, BRIGATINIB, MIDOSTAURIN, Abaloparatide, BENZNIDAZOLENERATINIBinotuzumab ozogamicinEnasidenib, LETERMOVIR, GLECAPREVIR, PIBRENTASVIR, VOXILAPREVIR, SOFOSBUVIR, EDAVARONE, abemaciclib, ANGIOTENSIN II, VESTRONIDASE, macimorelin acetate, ERTUGLIFLOZIN, SEMAGLUTIDE, EMICIZUMAB, eu 2017, fda 2017, BENRALIZUMAB, DURVALUMAB, GUSELKUMAB, LATANOPROSTENE, OZENOXACIN, SARILUMAB, SECNIDAZOLE, BENRALIZUMAB, SARILUMAB

Diet rich in tomatoes and apples may help restore lung damage caused by smoking — Med-Chemist


A study from the Johns Hopkins Bloomberg School of Public Health found the natural decline in lung function over a 10-year period was slower among former smokers with a diet high in tomatoes and fruits, especially apples, suggesting certain components in these foods might help restore lung damage caused by smoking.The researchers found that adults…

via Diet rich in tomatoes and apples may help restore lung damage caused by smoking — Med-Chemist

GSK2248761A , IDX899, Fosdevirine


Image result for GSK2248761A , IDX899, FosdevirineChemSpider 2D Image | fosdevirine | C20H17ClN3O3P

GSK2248761A , IDX899, Fosdevirine,

Fosdevirine; IDX899; IDX-899; GSK2248761; cas 1018450-26-4; GSK-2248761, IDX 12899

1018450-26-4 CAS
R FORM ROTATION (-)
Molecular Formula: C20H17ClN3O3P
Molecular Weight: 413.798 g/mol
 Phosphinic acid, P-[2-(aminocarbonyl)-5-chloro-1H-indol-3-yl]-P-[3-[(1E)-2-cyanoethenyl]-5-methylphenyl]-, methyl ester, [P(R)]-
Methyl (R)-(2-carbamoyl-5-chloro-1H-indol-3-yl){3-[(E)-2-cyanovinyl]-5-methylphenyl}phosphinate
Phosphinic acid, P-[2-(aminocarbonyl)-5-chloro-1H-indol-3-yl]-P-[3-[(E)-2-cyanoethenyl]-5-methylphenyl]-, methyl ester, (R)-
5DV
Methyl (R)-(2-carbamoyl-5-chloro-1H-indol-3-yl)[3-(2-cyanoethyl)-5-methylphenyl]phosphinate

[R(P)]-(2-Carbamoyl-5-chloro-1H-indol-3-yl)[3-(2-cyanovinyl)-5-methylphenyl]phosphinic acid methyl ester

Phase II clinical trials for the treatment of HIV infection

Idenix (Originator)

Fosdevirine, also known as GSK2248761 and IDX899, a Highly Potent Anti-HIV Non-nucleoside Reverse Transcriptase Inhibitor having an EC50 of 11 nM against the Y181C/K103N double mutant. GSK2248761 is a novel, once-daily (QD), next-generation nonnucleoside reverse transcriptase inhibitor (NNRTI) with activity against efavirenz-resistant strains. GSK2248761 at 100 to 800 mg QD for 7 days was well tolerated, demonstrated potent antiviral activity in treatment-naive HIV-infected subjects, and had favorable PK and resistance profiles. GSK2248761 is no longer in clinical development.

IDX-12899 is a non-nucleoside reverse transcriptase inhibitors (NNRTI) originated by Idenix (acquired by Merck & Co.). It had been in phase II clinical trials for the treatment of HIV infection. However, in 2010, the compound was placed on clinical hold by the FDA. In 2009, the compound was licensed by Idenix to GlaxoSmithKline for the treatment of HIV infection on a worldwide basis.

PATENT

WO2008/042240 A2, 2008, Compound III

compound 66a: racemic form

5-chloro-3-[ methyl 3-((Zζ)-2-cyanovinyl)-5-methylphenyl] phosphinoyl-l//-indole-2- carboxamide.

Figure imgf000091_0003

[00258] Compound 66a was synthesized according to method AL. White solid, 1H NMR (CDCl3, 300 MHz) δ 2.40 (s, 3H), 3.88 (d, J= 11.7 Hz, 3H), 5.89 (d, J= 16.5 Hz, IH), 5.97 (brs, IH), 7.33-7.67 (m, 7H), 10.46 (s, IH), 10.89 (brs, IH), 31P NMR (CDCl3, 121.49 MHz) δ 31.54. MS (ES+) m/z = 414 (MH+).

Example 8

Figure imgf000126_0001

Preparation of Compound HI

Figure imgf000127_0001
Figure imgf000127_0002

305

1 (-)cιnchonιdιne, Acetone

2 1N HCI1 EtOAc

Figure imgf000127_0003

Compound 302

[00348] A suitable reactor was charged Compound 301 (10Og, 0.23mol) and tetrahydrofuran (IL). The resulting solution was chilled between -90° to -100°C under nitrogen using a LN2 / IPA slush bath, then was treated with n-butyl lithium (2.5M in Hexanes, 99ml, 0.25mol) added over 10 minutes. To this was added diethyl chlorophosphite (37.1g, 0.24mol) over 10 minutes. HPLC (Method 001, RT = 18.9 min) showed no starting material and ca. 85% product. The reaction was then diluted with ethyl acetate (IL) and was allowed to warm to -4O0C. The mix was then treated with hydrochloric acid (0.5M, 590ml) and was allowed to warm to ambient temperature and stir for 30 minutes. The resulting layers were separated and the aqueous extracted with ethyl acetate (500ml). The organics were combined and washed with brine (500ml) dried over sodium sulfate, filtered and concentrated to an oil. 88% HPLC AUC (Method 20, RT = 5.8 min) 115g, >100% yield due to impurities and solvent. Used as is in the next step. Compound 303

[00349] A suitable reactor was charged with Compound 302 (111 g, estimated 0.18mol), iodocinnamonitrile (47.1g, 0.175mol), triethylamine (29.3ml, 0.21mol) and toluene (800ml). The resulting mix was degassed by sparging with a stream of nitrogen for 10 minutes at ambient temperature, after which time tetrakis(triphenylphosphine) palladium(O) (10. Ig, 0.0088mol) was added. The mix was sparged for an additional 5 minutes, then was heated to 80°C for 2 hours. HPLC (Method 20, RT = 6.5 min) showed a complete reaction. The mix was cooled to ambient and was filtered through celite and washed with ethyl acetate (400ml). The combined organics were washed with brine (2 x 500ml) then dried over sodium sulfate, filtered and concentrated to a volume of 350ml. The concentrate was cooled to O0C and was stirred for 1 hour, during which time the product crystallized. The solids were filtered and washed with hexane:toluene (2:1, 150ml). Dried to leave 95g, 90% yield, HPLC AUC 98% (Method 20). Used as is in the next reaction. [00350] 303: C29H26ClN2O6PS 597.02gmol‘ m/z (ESI+): 597.0 (MH+, 100%), 599.0 (MH+, 35%) 1H NMR δH (400 MHz, CDCl3): 1.38, 1.48 (2 x 3H, 2 x t, COOCH2CH3, POOCH2CH3), 2.41 (3Η, s, Ar-CH3), 4.09-4.16 (2Η, m, POOCH2CH3), 4.52 (2H, q, COOCH2CH3), 5.93 (IH, d, CH=CHCN), 7.33-7.38 (3Η, m, CH=CHCN, 2 x Ar-H), 7.52 (2Η, t, 2 x Ar-H), 7.64 (1Η, t, Ar-H), 7.74, 7.77 (2 x 1Η, 2 x d, 2 x Ar-H), 7.85 (1Η, d, Ar- H), 7.94 (1Η, dd, Ar-H), 8.08 (2Η, d, 2 x Ar-H) 1H NMR δH (400 MHz, d6-DMSO): 1.26, 1.33 (2 x 3H, 2 x t, COOCH2CH3, POOCH2CH3), 2.34 (3Η, s, Ar-CH3), 3.95-4.10 (2Η, m, POOCH2CH3), 4.40 (2H, q, COOCH2CH3), 6.52 (IH, d, CH=CHCN), 7.52 (1Η, dd, Ar-H), 7.60-7.84 (8Η, m, CH=CHCN, 7 x Ar-H), 8.07 (3 x 1Η, m, 3 x Ar-H)

Compound 304

[003511 A suitable reactor was charged with Compound 303 (537g, 0.90mol) and methylene chloride (2.0L). The resulting solution was cooled to O0C, and was treated with bromotrimethylsilane (45Og, 2.9mol) added over 15 minutes. The reaction was then warmed to 400C for 1.5 hours. ΗPLC (Method 20, RT = 4.4 min) indicated a complete reaction. The excess TMSBr was stripped under vacuum (40 – 45°C) and the resulting sticky solid was resuspended in DCM (2.5L) and chilled to 00C. Oxalyl chloride (156ml, 1.8mol) was added over 15 minutes, followed by N,N-dimethylformamide (13.7ml, 0.18mol) both added at O0C. Gas evolution was observed during the DMF addition. After 1 hour, ΗPLC (Method 20, RT = 6.2 min, sample quenched with anhydrous methanol prior to injection) showed a complete reaction. The solvents were stripped again to remove residual oxalyl chloride and the mix resuspended in chilled methanol (3.0L) at 0° – 5°C, and then was allowed to warm to ambient. After two hours, HPLC indicated a complete reaction (HPLC Method 20, RT = 6.2 min). The solution was concentrated to a volume of 1.5L, and the resulting thin slurry was cooled to 0°C, and was diluted with an aqueous solution of sodium bicarbonate (126g, 3L water). After 2 hours at 50C, the product was filtered and washed with cold water / methanol (2:1, 1.5L) then dried to leave 50Og Compound 304. HPLC (Method 20) purity 92% used as is.

Compound 305

[00352] A suitable reactor was charged with Compound 304 (ca. 28Og, 0.48mol) and tetrahydrofuran (2.8L). The resulting solution was then cooled to 5°C and was treated with lithium hydroxide monohydrate (45g, 1.07mol) added in one portion. The reaction was allowed to warm to ambient, during which time the color lightened and a white precipitate formed. After overnight stirring, HPLC indicated an incomplete reaction (Method 20, product RT = 4.3, partially deprotected RT = 5.1, major impurity RT = 3.8). An additional 10% LiOH-H2O was added, but after 10 hours, the partially deprotected intermediate remained at 5%, and the impurity peak at 3.8 minutes had increased to ca. 25%. The reaction was cooled to 50C and was acidified with hydrochloric acid (5N, 280ml) then was diluted with ethyl acetate (2L). The layers were separated and the aqueous extracted with ethyl acetate (500ml). The combined organics were washed with brine (IL) and dried with sodium sulfate, then concentrated to leave a crude oily solid, Compound 305. Ca. 300g, HPLC AUC 57%.

[00353] The crude product was taken up in acetonitrile (1.2L) at 4O0C, and the product triturated w/ water (1.2L). The resulting slurry was cooled to 50C and was allowed to granulate for 30 minutes, after which time the product was filtered and washed with ACN:H2O (1 :1, 100 ml). Ca. 103g, 88% by HPLC. The product was then recrystallized from 360ml ACN at 400C and 360ml water as before. Filtered, washed and dried to leave 75g Compound 305. HPLC AUC 97%. Used as is in the next step.

Compound 306 (chiral resolution)

[00354] A suitable reactor was charged with Compound 305 (28Og, 0.66mol) and acetone (4.2L). The resulting thin slurry was then treated with (-)-cinchonidine (199g, 0.66mol) added in one portion. After one hour, a solution had formed, and after an additional hour, a white solid precipitated, and the mix was left to stir for an additional two hours (four hours total) after which time the solids were filtered, washed with acetone (200ml) and dried to leave 199g Crude Compound 306 cinchonidine salt. HPLC showed an isomer ratio of 96:4.

[00355] The crude salt was then slurried in ethyl acetate (3L) and hydrochloric acid (IN, 3L). The two phase solution was vigorously stirred for 2 hours at ambient temperature. The layers were separated, and the aqueous extracted with ethyl acetate (3L). The organics were combined, dried with sodium sulfate, and concentrated to leave the free base Compound 306, 107g, 95:5 by chiral HPLC.

[00356] The crude Compound 306 was then suspended in acetone (1.07L) and treated with (-)-cinchonidine (76g, 0.26 mol.) After 4 hours total stir time (as above) the solids were filtered, washed with acetone (200ml) and dried to leave 199g of the salt. HPLC 98.6:1.4.

[00357] The salt was broken by dissolving in ethyl acetate (3L) and hydrochloric acid (IN, 3L). The two phase solution was stirred for 2 hours at ambient temperature. The layers were separated, and the aqueous extracted with ethyl acetate (2L). The organics were combined, dried with sodium sulfate, and concentrated to leave the free base Compound 306, 98g, 98.6:1.4 by chiral HPLC. 70% recovery of the desired isomer, 35% yield from the racemic Compound 306. #6: C20H16ClN2O4P 414.78gmol‘ m/z (ESI+): 415.1 (MH+, 100%), 417.0 (MH+, 35%) [α]D 25 : -47.51 (c, 10.66mgml‘ in EtOAc) [Opposite enantiomer [α]D 25 : +47.26 (c, 9.60mgml‘ in EtOAc)] 1H NMR δH (400 MHz, d6-DMSO): 2.33 (3 H, s, Ar-CH3), 3.71 (3H, d, CH3OP), 6.50 (1Η, d, CH=CHCN), 7.36 (1Η, dd, H-6), 7.57 (1Η, d, H-I), 7.66-7.71 (2Η, m, H-4, Ar-Hortho), 7.67 (1Η, d, CH=CHCN), 7.84 (IH, d, Ar-Hortho), 7.98 (1Η, s, Ar-Hpara), 12.97 (1Η, s, N-H), 14.38 (1Η, br-s, COOH) Multiple δc values indicate splitting of carbon signal due to P. 13C NMR δc (100 MHz, d6-DMSO): 20.68 (Ar-CH3), 51.70 (CH3OP), 98.15 (CH=CHCN), 102.33, 103.85, 1 14.98, 120.91 (3 x Q, 118.47 (CN), 125.39 (C), 126.78 (Q, 127.74, 127.86 (C- Hortho), 129.78, 129.88 (Q, 131.25 (Q, 132.06 (Q, 133.44, 133.55 (Q, 133.89, 134.05 (Q, 134.62, 134.75 (Q, 135.47, 135.66 (Q, 138.78, 138.91 (Q, 149.62 (CH=CHCN), 160.40 (C=O) 31P NMR δP (162 MHz, d6-DMSO): 33.50 (IP, s)

Compound HI

[00358] A suitable reactor was charged with Compound 306 (0.63g, O.OOHmol) and 1 ,2-dimethoxyethane (10ml.) The mix was treated with 1,1-carbonyldiimidazole (0.47g, 0.0028mol) added in one portion, and the mix was allowed to stir at ambient temperature until gas evolution ceased (ca. 1.5 hours.) The solution was then cooled to 50C, and was sparged with ammonia gas for 5 minutes. HPLC (Method 20, product RT=5.0 min) showed a complete reaction after one hour at ambient. The reaction was quenched by the addition of 1Og crushed ice, and was concentrated under reduced pressure to remove the DME. The resulting slurry was stirred for one hour at 50C to granulate the product. The solids were filtered and dried to leave pure Compound III ((2-Carbamoyl-5-chloro-4-fluoro-lH-indol-3- yl)-[3-((E)-2-cyano-vinyl)-5-methyl-phenyl]-(S)-phosphinic acid methyl ester) as a white solid 0.56g, 89% yield. HPLC (Method 20) chemical purity 98.5%. Chiral purity 97%. [00359] A suitable reactor was charged with Compound 306 (1Og, 0.024mol) and 1,2- dimethoxyethane (150ml). The mix was treated with 1,1-carbonyldiimidazole (7.8g, 0.048mol) added in one portion, and the mix was allowed to stir at ambient temperature until gas evolution ceased. The solution was then cooled to 5°C, and was sparged with ammonia gas for 5 minutes. HPLC (Method 20, product RT=5.0 min) showed a complete reaction after one hour. The reaction was quenched by the addition of lOOg crushed ice, and was concentrated under reduced pressure to remove the DME. The resulting oily solid (in water) was diluted with methanol (20ml) and stirred for one hour at 50C to granulate the product. The solids were filtered and dried to leave pure Compound III ((2-Carbamoyl-5- chloro-4-fluoro-lH-indol-3-yl)-[3-((E)-2-cyano-vinyl)-5-methyl-phenyI]-(S)-phosphinic acid methyl ester). 9.8g, 98% yield. HPLC (Method 20) chemical purity 99.5%. Chiral purity 94.3%.

Compound III: C20Hi7ClN3O3P 413.79gmol‘ m/z (ESI+): 414.1 (MH+, 100%), 416.1 (MH+, 35%)

vmax (KBr disc) (cm“1) 1620.0 (amide I), 1670.6 (amide II), 2218.7 (CN), 3125.5, 3291.9 (N-H)

[α]D 20 : -75.08 (c, 9.04mgmr’ in CHCl3)

m.p.: 144- 1480C transition to opaque semi-solid, 209-2100C melts

Elemental analysis: C20H17ClN3O3P calculated C 58.05%, H 4.14%, N 10.15%, Cl 8.57%, P 7.49%. Found C 58.13%, H 4.08%, N 10.16%, Cl 8.69%, P 7.44% 

1H NMR δH (400 MHz, d6-DMSO): 2.32 (3H, s, Ar-CH3), 3.74 (3Η, d, CH3OP), 6.52 (1Η, d, CH=CHCN), 7.30 (1Η, dd, H-6), 7.53-7.58 (3Η, m, H-4, H-7, H-6′), 7.68 (1Η, d, CH=CHCN), 7.73 (IH, s, H-4′), 7.75 (1Η, d, H-2′), 8.02, 10.15 (2 x 1Η, 2 x s, NH2), 12.80 (1Η, s, N-H) Multiple δc values indicate splitting of carbon signal due to P. 

13C NMR δc(100 MHz, d6-DMSO): 20.77 (Ar-CH3), 51.75, 51.81 (CH3OP), 98.39, 98.91 (C-3), 98.44 (CH=CHCN), 1 15.05 (C-7), 1 18.53 (CN), 119.96 (C-4), 124.73 (C-6), 126.68 (C-5), 127.15, 127.26 (C-2′), 129.25, 129.35 (C-9), 131.37 (C-4′), 132.45, 134.04 (C-I ‘), 132.69, 132.80 (C-6′), 133.92 (C-8), 134.30, 134.44 (C-3′), 139.33, 139.46 (C-5’), 139.96, 140.17 (C-2), 149.55 (CH=CHCN), 160.65 (C=O)

 31P NMR δP (162 MHz, d6-DMSO): 33.72 (IP, s)

PATENT

http://www.google.ch/patents/WO2009120914A1?cl=en&hl=de

Figure imgf000003_0001

(2-carbamoyl-5-chloro-lH-indol-3-yl)-[3-((E)-2-cyano-vinyl)-5-methyl-phenyl]- (7?)-phosphinic acid methyl ester (I):

WO2008042240A2 * 28. Sept. 2007 10. Apr. 2008 Idenix Pharmaceuticals, Inc. Enantiomerically pure phosphoindoles as hiv inhibitors
US20060074054 * 16. Sept. 2005 6. Apr. 2006 Richard Storer Phospho-indoles as HIV inhibitors

Figure 7 provides an infrared spectrum of Form I.

Paper

Development of an Efficient Manufacturing Process to GSK2248761A API

 GlaxoSmithKline, Medicines Research Center, Gunnels Wood Road, Stevenage, Hertfordshire, SG1 2NY, U.K.
 Merck & Co. Inc., 126 East Lincoln Avenue, Rahway, New Jersey 07065, United States
Org. Process Res. Dev., Article ASAP
DOI: 10.1021/acs.oprd.7b00357
Abstract Image

Amidation of indole 2-carboxylate 1 with ammonia gas via the imidazolide 2 gave GSK2248761A API 3, which was in development for the treatment of HIV. Three significant impurities, namely the phosphinic acid 4, the N-acyl urea 8, and the indoloyl carboxamide 6, were formed during the reaction, and the original process was unable to produce API within clinical specification when run at scale. Investigation into the origin, fate, and control of these impurities led to a new process which was able to produce API within clinical specification.

1H NMR (500 MHz, CDCl3) δ ppm 2.37 (s, 3H), 3.86 (d, J = 15.0 Hz, 3H), 5.86 (d, J = 15.0 Hz, 1H), 5.94 (s, 1H), 7.33 (dd, J = 9.0 Hz, J = 2.0 Hz, 1H), 7.34 (d, J = 15.5 Hz, 1H), 7.39 (s, 1H), 7.49 (dd, J = 9.0 Hz, J = 1.5 Hz, 1H) 7.60 (d, J = 13.5 Hz, 1H), 7.64 (d, J = 13.5 Hz, 1H), 7.65 (d, J = 1.5 Hz, 1H), 10.40 (s, 1H), 10.88 (s, 1H); 
13C NMR (126 MHz, CDCl3) δ 21.3, 52.1, 98.1, 100.5 (d, J = 152.5 Hz), 113.9, 117.6, 120.9, 126.2, 126.5 (d, J = 11.3 Hz) 128.7, 129.9 (d, J = 10.1 Hz), 131.7, 133.0 (d, J = 151.2 Hz), 133.2 (d, J = 8.8 Hz), 133.4 (d, J = 10.1 Hz), 134.1 (d, J= 15.1 Hz), 138.7, 139.9, 149.2 and 161.2;
 31P NMR (202 MHz, CDCl3) δ 31.4.
IR ν (cm–1) 3280, 3065, 1679, 1619, 1402, 1195 and 1010.
HRMS calcd for C20H18ClN3O3P: 414.0769; HRMS found [M + H]+: 414.0760.
PAPER

Development and Scale-Up of a Manufacturing Route for the Non-nucleoside Reverse Transcriptase Inhibitor GSK2248761A (IDX-899): Synthesis of an Advanced Key Chiral Intermediate

 GlaxoSmithKline, Medicines Research Centre, Gunnels Wood Road, Stevenage, Hertfordshire SG1 2NY, U.K.
 Merck & Co., Inc.,126 East Lincoln Avenue, Rahway, New Jersey 07065, United States
Org. Process Res. Dev., Article ASAP
DOI: 10.1021/acs.oprd.7b00356

Abstract

Abstract Image

A new and improved synthetic route to an intermediate in the synthesis of the phosphinate ester GSK2248761A is described. In the key step, we describe the first process-scale example of a palladium-catalyzed phosphorus–carbon coupling to give the entire backbone of GSK2248761A in one telescoped stage in 65% average yield on a 68 kg scale. This unusual chemistry enabled the route to be reduced from six chemistry stages to four and eliminated a number of environmentally unfriendly reagents and solvents.

REFERENCES

1: Dousson C, Alexandre FR, Amador A, Bonaric S, Bot S, Caillet C, Convard T, da Costa D, Lioure MP, Roland A, Rosinovsky E, Maldonado S, Parsy C, Trochet C, Storer R, Stewart A, Wang J, Mayes BA, Musiu C, Poddesu B, Vargiu L, Liuzzi M, Moussa A, Jakubik J, Hubbard L, Seifer M, Standring D. Discovery of the Aryl-phospho-indole IDX899, a Highly Potent Anti-HIV Non-nucleoside Reverse Transcriptase Inhibitor. J Med Chem. 2016 Feb 3. [Epub ahead of print] PubMed PMID: 26804933.

2: Margolis DA, Eron JJ, DeJesus E, White S, Wannamaker P, Stancil B, Johnson M. Unexpected finding of delayed-onset seizures in HIV-positive, treatment-experienced subjects in the Phase IIb evaluation of fosdevirine (GSK2248761). Antivir Ther. 2014;19(1):69-78. doi: 10.3851/IMP2689. Epub 2013 Oct 24. PubMed PMID: 24158593.

3: Ölgen S. Recent development of new substituted indole and azaindole derivatives as anti-HIV agents. Mini Rev Med Chem. 2013 Oct;13(12):1700-8. Review. PubMed PMID: 23895189.

4: Castellino S, Groseclose MR, Sigafoos J, Wagner D, de Serres M, Polli JW, Romach E, Myer J, Hamilton B. Central nervous system disposition and metabolism of Fosdevirine (GSK2248761), a non-nucleoside reverse transcriptase inhibitor: an LC-MS and Matrix-assisted laser desorption/ionization imaging MS investigation into central nervous system toxicity. Chem Res Toxicol. 2013 Feb 18;26(2):241-51. doi: 10.1021/tx3004196. Epub 2012 Dec 20. PubMed PMID: 23227887.

5: Zala C, St Clair M, Dudas K, Kim J, Lou Y, White S, Piscitelli S, Dumont E, Pietropaolo K, Zhou XJ, Mayers D. Safety and efficacy of GSK2248761, a next-generation nonnucleoside reverse transcriptase inhibitor, in treatment-naive HIV-1-infected subjects. Antimicrob Agents Chemother. 2012 May;56(5):2570-5. doi: 10.1128/AAC.05597-11. Epub 2012 Feb 6. PubMed PMID: 22314532; PubMed Central PMCID: PMC3346662.

6: Piscitelli S, Kim J, Gould E, Lou Y, White S, de Serres M, Johnson M, Zhou XJ, Pietropaolo K, Mayers D. Drug interaction profile for GSK2248761, a next generation non-nucleoside reverse transcriptase inhibitor. Br J Clin Pharmacol. 2012 Aug;74(2):336-45. doi: 10.1111/j.1365-2125.2012.04194.x. PubMed PMID: 22288567; PubMed Central PMCID: PMC3630753.

7: La Regina G, Coluccia A, Silvestri R. Looking for an active conformation of the future HIV type-1 non-nucleoside reverse transcriptase inhibitors. Antivir Chem Chemother. 2010 Aug 11;20(6):213-37. doi: 10.3851/IMP1607. Review. PubMed PMID: 20710063.

8: Klibanov OM, Kaczor RL. IDX-899, an aryl phosphinate-indole non-nucleoside reverse transcriptase inhibitor for the potential treatment of HIV infection. Curr Opin Investig Drugs. 2010 Feb;11(2):237-45. Review. PubMed PMID: 20112173.

9: Zhou XJ, Garner RC, Nicholson S, Kissling CJ, Mayers D. Microdose pharmacokinetics of IDX899 and IDX989, candidate HIV-1 non-nucleoside reverse transcriptase inhibitors, following oral and intravenous administration in healthy male subjects. J Clin Pharmacol. 2009 Dec;49(12):1408-16. doi: 10.1177/0091270009343698. Epub 2009 Sep 23. PubMed PMID: 19776293.

10: Zhou XJ, Pietropaolo K, Damphousse D, Belanger B, Chen J, Sullivan-Bólyai J, Mayers D. Single-dose escalation and multiple-dose safety, tolerability, and pharmacokinetics of IDX899, a candidate human immunodeficiency virus type 1 nonnucleoside reverse transcriptase inhibitor, in healthy subjects. Antimicrob Agents Chemother. 2009 May;53(5):1739-46. doi: 10.1128/AAC.01479-08. Epub 2009 Feb 17. PubMed PMID: 19223643; PubMed Central PMCID: PMC2681571.

11: Mascolini M, Larder BA, Boucher CA, Richman DD, Mellors JW. Broad advances in understanding HIV resistance to antiretrovirals: report on the XVII International HIV Drug Resistance Workshop. Antivir Ther. 2008;13(8):1097-113. PubMed PMID: 19195337.

12: Dalton P. Two new NNRTIs enter the pipeline. Proj Inf Perspect. 2008 Sep;(46):13. PubMed PMID: 19048672.

13: Sweeney ZK, Klumpp K. Improving non-nucleoside reverse transcriptase inhibitors for first-line treatment of HIV infection: the development pipeline and recent clinical data. Curr Opin Drug Discov Devel. 2008 Jul;11(4):458-70. Review. PubMed PMID: 18600563.

/////////////GSK2248761A , IDX899, Fosdevirine, PHASE 2

CC1=CC(=CC(=C1)C=CC#N)P(=O)(C2=C(NC3=C2C=C(C=C3)Cl)C(=O)N)OC

AK-2-202


Med. Chem. Commun., 2018, Advance Article
DOI: 10.1039/C7MD00656J, Research Article
Angela F. Ku, Gregory D. Cuny
Potent beta-1 and beta-2 adrenergic receptor antagonism via a conformationally restricted aporphine scaffold with defined stereochemistry has been developed.

Discovery of 7-hydroxyaporphines as conformationally restricted ligands for beta-1 and beta-2 adrenergic receptors

 Author affiliations

Abstract

A series of (−)-nornuciferidine derivatives was synthesized and the non-natural enantiomer of the aporphine alkaloid was discovered to be a potent β1– and β2-adrenergic receptor ligand that antagonized isoproterenol and procaterol induced cyclic AMP increases from adenylyl cyclase, respectively. Progressive deconstruction of the tetracyclic scaffold to less complex cyclic and acyclic analogues revealed that the conformationally restricted (6a-R,7-R)-7-hydroxyaporphine 2 (AK-2-202) was necessary for efficient receptor binding and antagonism.

STR1