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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 AFRICURE PHARMA, ROW2TECH, NIPER-G, Department of Pharmaceuticals, Ministry of Chemicals and Fertilizers, Govt. of India as ADVISOR, earlier assignment was with GLENMARK LIFE SCIENCES LTD, as CONSUlTANT, Retired from GLENMARK in Jan2022 Research Centre as Principal Scientist, Process Research (bulk actives) at Mahape, Navi Mumbai, India. Total Industry exp 32 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, 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 32 PLUS year tenure till date Feb 2023, 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 100 million plus hits on Google, 2.5 lakh plus connections on all networking sites, 100 Lakh plus views on dozen plus blogs, 227 countries, 7 continents, 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 38 lakh plus views on New Drug Approvals Blog in 227 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 He has total of 32 International and Indian awards

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Fluazolepali, 氟唑帕利 , Fluzoparib

July 25, 2019 1:31 pm / Leave a comment


Fluazolepali

CAS  2170504-09-1

Fluzoparib; SHR-3162, (HS10160)

  • HS 10160
  • SHR 3162

An orally available inhibitor of poly(ADP-ribose) polymerase 1 and 2 (PARP-1/2) for treatment of solid tumors (Jiangsu Hengrui Medicine Co. Ltd., Lianyungang, China)

Fluazolepali, developed by Hengrui and Howson, is intended for the treatment of recurrent ovarian cancer, triple-negative breast cancer, advanced gastric cancer and other advanced solid tumors. Currently, the drug has been introduced into China for recurrent ovarian cancer. Clinical stage.

In February 2019, a randomized, double-blind, controlled, multicenter, phase III clinical study (CTR20190294) of flazopril capsule versus placebo for maintenance of recurrent ovarian cancer was initiated in China and was sponsored by Hengrui Medicine.

Jiangsu Hansoh Pharmaceutical , in collaboration with  Jiangsu Hengrui Medicine , is developing an oral capsule formulation of fluazolepali (fluzoparib; SHR-3162), a small molecule inhibitor to PARP-1 and PARP-2, for the treatment of solid tumors including epithelial ovarian, fallopian tube or primary peritoneal, breast and gastric cancer.

  • Originator Jiangsu Hengrui Medicine Co.
  • Class Antineoplastics
  • Mechanism of Action Poly(ADP-ribose) polymerase 1 inhibitors; Poly(ADP-ribose) polymerase 2 inhibitors
  • Phase II Ovarian cancer
  • Phase I Breast cancer; Fallopian tube cancer; Gastric cancer; Peritoneal cancer; Solid tumours
  • 09 Jul 2019 Jiangsu HengRui Medicine initiates a phase I trial in Solid tumors in China (NCT04013048) [14C]-Fluzoparib
  • 01 Jul 2019 Jiangsu HengRui Medicine plans a phase I drug-drug interaction trial (In volunteers) in China (PO) (NCT04011124)
  • 12 Jun 2019 Jiangsu HengRui Medicine completes a phase I trial in Gastric cancer (Combination therapy, Recurrent, Metastatic disease, Second-line therapy or greater, Late-stage disease) in China (PO) (NCT03026881)

Fluzoparib (SHR 3162) is a selective poly [ADP-ribose] polymerase 1 (PARP1) and poly [ADP-ribose] polymerase 2 inhibitor (PARP2), being developed by Jiangsu HengRui Medicine, for the treatment of cancer. PARP enzymes play a vital role in repair of DNA damage and maintaining genomic stability. Fluzoparib inhibits PARP enzymes and induces DNA-double strands breaks, G2/M arrest and apoptosis in homologous recombination repair (HR)-deficient cells. Clinical development for ovarian cancer, breast cancer, fallopian tube cancer, peritoneal cancer, gastric cancer and solid tumours is underway in China and Australia.

An orally available inhibitor of poly (ADP-ribose) polymerase (PARP) types 1 and 2, with potential antineoplastic activity. Upon oral administration, fluzoparib inhibits PARP 1 and 2 activity, which inhibits PARP-mediated repair of damaged DNA via the base excision repair (BER) pathway, enhances the accumulation of DNA strand breaks, promotes genomic instability, and leads to an induction of apoptosis. The PARP family of proteins catalyze post-translational ADP-ribosylation of nuclear proteins, which then transduce signals to recruit other proteins to repair damaged DNA. PARP inhibition may enhance the cytotoxicity of DNA-damaging agents and may reverse tumor cell chemoresistance and radioresistance. Check for active clinical trials using this agent. (NCI Thesaurus)

PATENT

WO-2019137358

https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2019137358&tab=FULLTEXT&_cid=P20-JYI5A2-54836-1

Process for preparing heterocyclic compounds (presumed to be fluazolepali ) and its intermediates as PARP inhibitors useful for treating cancer.

Example 1

The compound and 5.0kg of 10% palladium on carbon 250g, 80L of methanol was added to the kettle at 0.4MPa, 24h 25 ℃ hydrogenation reaction. The palladium carbon was removed by filtration, the filter cake was washed with methanol, and the filtrate was collected, evaporated to dryness under reduced pressure, and ethyl acetate (20 L) was added to the concentrate, and the mixture was stirred and evaporated, and then cooled to 0° C. ～3, stirring, filtration, filter cake and then adding 20 L of ethyl acetate, pulping at room temperature for 3 to 4 h, filtration, vacuum drying at 45 ° C for 6-8 h to obtain 5.5 kg of compound 3 solid, yield 91.7%, HPLC purity 99.69%.
Example 2
According to the method of Example 19 of CN102686591A, 2 g of the compound 3 and 2.79 g of the compound 4 were charged to obtain 3.6 g of the compound of the formula I in a yield of 87.8%.
Example 3
At room temperature, 2.0 g of compound 2 (prepared according to the method disclosed in WO2009025784) was dissolved in 30 mL of isopropanol, and concentrated sulfuric acid was added dropwise with stirring to adjust the pH to 3, and stirred at room temperature without solid precipitation; the reaction solution was poured into 150 mL of n-hexane. After stirring at room temperature, no solid precipitated, and the sulfate solid of Compound 2 could not be obtained.
Example 4
1. At room temperature, 1.11 g of compound 2 was dissolved in 10 mL of isopropanol, and 15% phosphoric acid/isopropanol solution was added dropwise with stirring to adjust the pH to 3, stirred at room temperature, filtered, and the filter cake was washed with isopropyl alcohol and dried under vacuum. Compound 2 phosphate solid 1.46 g, yield 87.1%, HPLC purity 99.72%.
Example 5
At room temperature, 1.28 g of compound 2 was dissolved in 10 mL of isopropanol, and 20% acetic acid/isopropanol solution was added dropwise with stirring to adjust the pH to 3, and stirred at room temperature without solid precipitation; the reaction solution was poured into 100 mL of n-hexane, and continued. After stirring at room temperature, no solid precipitated, and the acetate solid of Compound 2 could not be obtained.
Example 6
1.05g of compound 2 was dissolved in 10mL of isopropanol at room temperature, and the pH was adjusted to 3 by adding 15% citric acid/isopropanol solution while stirring. At room temperature, no solid precipitated; the reaction solution was poured into 100 mL of n-hexane. After stirring at room temperature, no solid precipitated, and the citrate solid of Compound 2 could not be obtained.
Example 7
1.12 g of compound 2 was dissolved in 10 mL of isopropanol at room temperature, and 0.74 g of maleic acid was added thereto with stirring. The mixture was stirred at room temperature, filtered, and the filter cake was washed with isopropyl alcohol and dried in vacuo to obtain the maleate salt of compound 2. 1.51 g, yield 84.6%.

PATENT

WO2019109938

claiming synergistic combination comprising PARP inhibitor fluazolepali and apatinib mesylate .

PATENT

WO 2018005818

WO 2018129553

WO 2018129559

WO 2018208968

WO 2018213732

WO 2018191277

WO 2018201096

WO 2018085469

WO 2018085468

WO 2019090227

WO 2019133697

WO 2019067978

WO 2019071123

WO 2019090141

///////////Fluazolepali, Jiangsu Hansoh Pharmaceutical,  Jiangsu Hengrui Medicine, fluzoparib,  SHR-3162, 氟唑帕利 , Phase II,  Ovarian cancer, HS10160, CHINA, HS 10160

https://med.sina.com/article_detail_103_2_64751.html

MORINIDAZOLE 吗啉硝唑

August 11, 2015 10:05 am / 1 Comment on MORINIDAZOLE 吗啉硝唑


S1

Stockhausen's Mai 1.1 of the innovative spirit of antimicrobial agents (morpholine metronidazole) chemical structure

MORINIDAZOLE

吗啉硝唑

 

(迈灵达®

1- [3- (4-morpholinyl) -2-hydroxypropyl] -2-methyl-5- nitro -1H- imidazole

CAS 92478-27-8

Jiangsu Hansoh Pharmaceutical Co., Ltd.

Morinidazole was approved by China Food and Drug Administration (CFDA) on February 24, 2014. It was developed and marketed as a step Lingda ® by Hansoh Pharmaceutical.

A nitroimidazoles antibiotic used to treat bacterial infections including appendicitis and pelvic inflammatory disease.

Morinidazole is a nitroimidazoles antibiotic indicated for the treatment of bacterial infections including appendicitis and pelvic inflammatory disease (PID) caused by anaerobic bacteria.

str1

MORINI SYN

 

PATENT

WO2006058457A1.

http://www.google.com/patents/WO2006058457A1?cl=en

……………………….

PATENT
CN1981764A.

https://www.google.com/patents/CN1981764A?cl=en

1- (2,3-epoxypropoxy yl) -2-methyl-5-nitro-imidazole (10g), morpholino (10g), 100ml of acetonitrile under reflux for 2 hours, vacuum recovery of acetonitrile, water was added 100ml, heating to the whole solution, filtered hot, let cool, filtering, washing and drying to obtain an off-white solid (11g).

Proton nuclear magnetic resonance data: 1HNMR (CD3Cl) δ2.39 ~ 2.73 (6H, m) δ2.61 (3H, s) δ3.71 ~ 3.81 (4H, m) δ4.10 ~ 4.17 (2H, m) δ4 .63 ~ 4.66 (1H, m) δ8.00 (1H, s)

 

CN 102199147

http://www.google.com/patents/CN102199147A?cl=en

 

CN 1605586

https://www.google.com/patents/CN1605586A?cl=en

Example 7 Preparation of α- (morpholino-1-yl) methyl-2-methyl-5-nitroimidazole-1-ethanol according to Example 4 the same manner as in Preparation α- (morpholino-1-yl) methyl-2-methyl-5-nitroimidazole-1-ethanol, except for using morpholine instead of 4-hydroxypiperidine, prepared by the present invention Compound 7. Proton nuclear magnetic resonance data: 1HNMR (CD3Cl) δ2.39 ~ 2.73 (6H, m) δ2.61 (3H, s) δ3.71 ~ 3.81 (4H, m) δ4.10 ~ 4.17 (2H, m) δ4

 

Jiangsu Hansoh Pharmaceutical Co., Ltd.

MORINI SYN

NMR PREDICT

CHEMDOODLE

 

 

1H NMR  PREDICT

1H NMR GRAPH 1H NMR VAL

 

13C NMR PREDICT

13C NMR VAL

13C NMR GRAPH

COSY

COSY NMR prediction (23)

CN1810815B Mar 8, 2006 Mar 16, 2011 陕西合成药业有限公司 Nitroimidazole derivative for treatment
CN1903846B Aug 15, 2006 Jul 13, 2011 杨成 Ornidazole derivative used for therapy, its preparation method and use
CN100387233C Jun 9, 2006 May 14, 2008 南京圣和药业有限公司 Use of levo morpholine nidazole for preparing medicine for antiparasitic infection
CN100427094C Dec 13, 2005 Oct 22, 2008 江苏豪森药业股份有限公司 Usage of alpha-(Morpholin-1-base) methyl-2-methyl-5-azathio-1-alcohol in preparation of anti-trichomoniasis and anti-ameba medicines
CN100540549C Dec 15, 2005 Sep 16, 2009 南京圣和药业有限公司 Alpha-substituted-2-methyl-5-nitro-diazole-1-alcohol derivative with optical activity
WO2007079653A1 * Dec 25, 2006 Jul 19, 2007 Junda Cen OPTICALLY PURE α-SUBSTITUTED 2-METHYL-5-NITROIMIDAZOLE-1-ETHANOL DERIVATIVES