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1. WO2001009089 - PROCESS FOR THE PREPARATION OF ISOTRETINOIN

Publication Number WO/2001/009089
Publication Date 08.02.2001
International Application No. PCT/IB2000/001020
International Filing Date 24.07.2000
Chapter 2 Demand Filed 23.02.2001
IPC
C07C 51/353 2006.1
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
51Preparation of carboxylic acids or their salts, halides, or anhydrides
347by reactions not involving formation of carboxyl groups
353by isomerisation; by change of size of the carbon skeleton
C07D 309/32 2006.1
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
309Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
32having two double bonds between ring members or between ring members and non-ring members
CPC
C07C 2601/16
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
2601Systems containing only non-condensed rings
12with a six-membered ring
16the ring being unsaturated
C07C 403/20
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
403Derivatives of cyclohexane or of a cyclohexene ; or of cyclohexadiene; , having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene ; or cyclohexadiene; rings, e.g. vitamin A, beta-carotene, beta-ionone
20having side-chains substituted by carboxyl groups ; or halides, anhydrides, or (thio)esters thereof
C07C 51/353
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
51Preparation of carboxylic acids or their salts, halides or anhydrides
347by reactions not involving formation of carboxyl groups
353by isomerisation; by change of size of the carbon skeleton
C07D 309/32
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
309Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
32having two double bonds between ring members or between ring members and non-ring members
Applicants
  • RANBAXY LABORATORIES LIMITED [IN]/[IN] (AllExceptUS)
  • SALMAN, Mohammad [IN]/[IN] (UsOnly)
  • KAUL, Vijay, Kumar [IN]/[IN] (UsOnly)
  • BABU, J., Suresh [IN]/[IN] (UsOnly)
  • KUMAR, Naresh [IN]/[IN] (UsOnly)
Inventors
  • SALMAN, Mohammad
  • KAUL, Vijay, Kumar
  • BABU, J., Suresh
  • KUMAR, Naresh
Common Representative
  • RANBAXY LABORATORIES LIMITED
Priority Data
09/467,20120.12.1999US
1037/DEL/9930.07.1999IN
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) PROCESS FOR THE PREPARATION OF ISOTRETINOIN
(FR) PROCEDE DE PREPARATION D'ISOTRETINOINE
Abstract
(EN) The present invention relates to a process for the preparation of 13-cis isomer of Vitamin A acid, commonly known as isotretinoin, in a single step.
(FR) L'invention concerne un procédé de préparation, en une étape unique, de l'isomère 13-cis de la vitamine A acide, connu sous le nom d'isotrétinoïne.
Related patent documents
HRP20020098AThis application is not viewable in PATENTSCOPE because the national phase entry has not been published yet or the national entry is issued from a country that does not share data with WIPO or there is a formatting issue or an unavailability of the application.
TR2002/00455This application is not viewable in PATENTSCOPE because the national phase entry has not been published yet or the national entry is issued from a country that does not share data with WIPO or there is a formatting issue or an unavailability of the application.
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