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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 LIFE SCIENCES 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 PLUS year tenure till date June 2021, 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, 90 Lakh plus views on dozen plus blogs, 233 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 33 lakh plus views on New Drug Approvals Blog in 233 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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Piflufolastat F 18 injection, Dcfpyl F-18


Dcfpyl F-18.png
ChemSpider 2D Image | N-{[(1S)-1-Carboxy-5-({[6-(~18~F)fluoro-3-pyridinyl]carbonyl}amino)pentyl]carbamoyl}-L-glutamic acid | C18H2318FN4O8
img

Piflufolastat F 18 injection

Dcfpyl F-18

CAS 207181-29-0

PLAIN F 1423758-00-2  WITHOUT RADIO LABELC18 H23 F N4 O8, 441.4L-Glutamic acid, N-[[[(1S)-1-carboxy-5-[[[6-(fluoro-18F)-3-pyridinyl]carbonyl]amino]pentyl]amino]carbonyl]-2-(3-{1-carboxy-5-[(6-[18F]fluoro-pyridine-3-carbonyl)­ amino]-pentyl}ureido)-pentanedioic acid

Other Names

  • N-[[[(1S)-1-Carboxy-5-[[[6-(fluoro-18F)-3-pyridinyl]carbonyl]amino]pentyl]amino]carbonyl]-L-glutamic acid
  • [18F]DCFPyl

Dcfpyl F-18

(18F)Dcfpyl

UNII-3934EF02T7

18F-DCFPyL

3934EF02T7

Progenics Pharmaceuticals, Inc.

APPROVED 5/26/2021 fda, Pylarify

For positron emission tomography imaging of prostate-specific membrane antigen-positive lesions in men with prostate cancer

For positron emission tomography (PET) of prostatespecific membrane antigen (PSMA) positive lesions in men with prostate cancer: • with suspected metastasis who are candidates for initial definitive therapy. • with suspected recurrence based on elevated serum prostate-specific antigen (PSA) level.

  • Originator Johns Hopkins University School of Medicine
  • Developer Curium Pharma; Progenics Pharmaceuticals
  • Class Amides; Carboxylic acids; Fluorinated hydrocarbons; Imaging agents; Pyridines; Radiopharmaceutical diagnostics; Radiopharmaceuticals; Small molecules; Urea compounds
  • Mechanism of ActionPositron-emission tomography enhancers
  • Orphan Drug StatusNo
  • MarketedProstate cancer
  • 28 May 2021Registered for Prostate cancer (Diagnosis) in USA (IV) – First global approval
  • 28 May 2021Adverse events data from phase III CONDOR and phase II/III OSPREY trials in prostate cancer released by Lantheus Holdings
  • 27 May 2021Lantheus Holdings intends to launch Fluorine-18 DCFPyL in USA at end of 2021

PYLARIFY contains fluorine 18 (F 18), radiolabeled prostate-specific membrane antigen inhibitor imaging agent. Chemically piflufolastat F 18 is 2-(3-{1-carboxy-5-[(6-[18F]fluoro-pyridine-3-carbonyl)­ amino]-pentyl}ureido)-pentanedioic acid. The molecular weight is 441.4 and the structural formula is:

str1

The chiral purity of the unlabeled piflufolastat F 18 precursor is greater than 99% (S,S). PYLARIFY is a sterile, non-pyrogenic, clear, colorless solution for intravenous injection. Each milliliter contains 37 to 2,960 MBq (1 to 80 mCi) piflufolastat F 18 with ≤0.01 µg/mCi of piflufolastat at calibration time and date, and ≤ 78.9 mg ethanol in 0.9% sodium chloride injection USP. The pH of the solution is 4.5 to 7.0. PYLARIFY has a radiochemical purity of at least 95% up to 10 hours following end of synthesis, and specific activity of at least 1000 mCi/µmol at the time of administration.

PYLARIFY contains fluorine 18 (F 18), radiolabeled prostate-specific membrane antigen inhibitor imaging agent. Chemically piflufolastat F 18 is 2-(3-{1-carboxy-5-[(6-[18F]fluoro-pyridine-3-carbonyl)amino]-pentyl}ureido)-pentanedioic acid. The molecular weight is 441.4 and the structural formula is:

PYLARIFY® (piflufolastat F 18) Structural Formula - Illustration

The chiral purity of the unlabeled piflufolastat F 18 precursor is greater than 99% (S,S).

PYLARIFY is a sterile, non-pyrogenic, clear, colorless solution for intravenous injection. Each milliliter contains 37 to 2,960 MBq (1 to 80 mCi) piflufolastat F 18 with ≤0.01 μg/mCi of piflufolastat at calibration time and date, and ≤ 78.9 mg ethanol in 0.9% sodium chloride injection USP. The pH of the solution is 4.5 to 7.0.

PYLARIFY has a radiochemical purity of at least 95% up to 10 hours following end of synthesis, and specific activity of at least 1000 mCi/μmol at the time of administration.

Physical Characteristics

PYLARIFY is radiolabeled with fluorine 18 (F 18), a cyclotron produced radionuclide that decays by positron emission to stable oxygen 18 with a half-life of 109.8 minutes. The principal photons useful for diagnostic imaging are the coincident pair of 511 keV gamma photons, resulting from the interaction of the emitted positron with an electron (Table 3).

Table 3: Principal Radiation Produced from Decay of Fluorine 18

 Radiation Energy (keV)Abundance (%)
Positron249.896.9
Gamma511193.5

FDA

Label (PDF)

PATENT

WO 2016030329

WO 2017072200

PAPER

Journal of Labelled Compounds and Radiopharmaceuticals (2016), 59(11), 439-450

CLIP

https://ejnmmires.springeropen.com/articles/10.1186/s13550-016-0195-6

Automated synthesis of [18F]DCFPyL via direct radiofluorination and validation in preclinical prostate cancer models

Radiosynthesis of [ 18 F]DCFPyL  

Radiosynthesis of [ 18 F]DCFPyL

figure2
figure3
figure4
figure1

Structure of 18F-labeled small-molecule PSMA inhibitors

/////////piflufolastat F 18,  injection, Orphan Drug , Prostate cancer, [18F]DCFPyL, 18F-DCFPYL, DCFPYL F-18, fda 2021, approvals 2021

C1=CC(=NC=C1C(=O)NCCCCC(C(=O)O)NC(=O)NC(CCC(=O)O)C(=O)O)F

wdt-9

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Actavis submits ANDAs for two more generic version of Bayer’s Safyral and Fresenius Kabi’s Diprivan (propofol) injection


Actavis submits ANDAs for two more generic version of

Bayer’s Safyral and

 

 

Fresenius Kabi’s Diprivan (propofol) injection

 

Actavis has filed for US approval for generic versions of a contraceptive and a sedative/anaesthetic.http://www.gabionline.net/Generics/News/Actavis-submits-ANDAs-for-two-more-generics

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