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Wockhardt, WO 2007023507, N-[[3-[3,5-difluoro-4-[4-(tetrazol-2-yl)piperidin-1-yl]phenyl]-2-oxo-1,3-oxazolidin-5-yl]methyl]acetamide

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wck 4086.1wck 4086

Cas 928156-95-0,

Acetamide, N-​[[(5S)​-​3-​[3,​5-​difluoro-​4-​[4-​(2H-​tetrazol-​2-​yl)​-​1-​piperidinyl]​phenyl]​-​2-​oxo-​5-​oxazolidinyl]​methyl]​-

C18H21F2N7O3
Molecular Weight: 421.401246 g/mol

N-[[3-[3,5-difluoro-4-[4-(tetrazol-2-yl)piperidin-1-yl]phenyl]-2-oxo-1,3-oxazolidin-5-yl]methyl]acetamide

Example- 14 and 15

(S)-N- { 3- [4-(4-(2H-tetrazol-2-yl)-piperidin- 1 -yl)-3 , 5-difluorophenyl] -2-oxo-oxazolidin-

5-ylmethyl }-acetamide and

(S)-N- { 3- [4-(4-(l H-tetrazol- 1 -yl)-piperidin- 1 -yl)-3 , 5-difluorophenyl] -2-oxo-oxazolidin-

5-ylmethyl }-acetamide

Figure imgf000080_0001

and

Figure imgf000080_0002

A mixture of (S)-N-{3-[4-methanesulphonyloxy piperidin-l-yl)-3,5-difluorophenyl]-2- oxo-oxazolidin-5-ylmethyl}-acetamide (1.12 mM), tetrazole (1.68 mM), and K2CO3 (1.68 mM) in DMF (6 ml) was heated for 22 hrs at 850C. The resulting mixture was poured into ice-water mixture, stirred for 30 min. And the separated solid was purified by column chromatography to obtain two isomeric products in 18% and 12% yields respectively. Isomer A: M.P. 234-2370C; MS(M+1)- 422 ; M.F. C18H21F2N7O3 Isomer B: M.P. 214-2170C; MS(M+1)- 422 ; M.F. C18H2JF2N7O3

WOCKHARDT LIMITED [IN/IN]; D-4, MIDC Area, Chikalthana, Aurangabad 431006 (IN)

Our New Drug Discovery team has developed a number of lead molecules, mainly in the area of anti-infectives; these are currently at various stages of development.

Of these molecules, the most advanced of the New Chemical Entities (NCE) is WCK 771, which has commenced Phase II human clinical trials.

WCK 771 is a broad-spectrum antibiotic, which has proven effective in treating diverse staphylococcal infections like MRSA and VISA.

Other lead molecules at various stages of pre-clinical trials are: WCK 2349, WCK 4873 and WCK 4086.

http://www.wockhardt.com/how-we-touch-lives/new-drug-discover.aspx

Evidence of water found on Mars

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DR ANTHONY CRASTO

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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 29 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 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 29 year tenure till date Aug 2016, Around 30 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, 25 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 13 lakh plus views on New Drug Approvals Blog in 212 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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