CA2380026 PROCESS FOR THE PREPARATION OF ISOTRETINOIN

Settings

Stemming

Single Family Member

Include NPL

Feedback

Goto Application

Office

Canada

Application Number 2380026

Application Date

Publication Number 2380026

Publication Date 08.02.2001

Publication Kind A1

IPC

CPC

Applicants RANBAXY LABORATORIES LIMITED

Inventors BABU, J. SURESH
KAUL, VIJAY KUMAR
KUMAR, NARESH
SALMAN, MOHAMMAD

Priority Data 1037/DEL/99 30.07.1999 IN
09467201 20.12.1999 US

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.

C	CHEMISTRY; METALLURGY
07	ORGANIC CHEMISTRY
C	ACYCLIC OR CARBOCYCLIC COMPOUNDS
403	Derivatives of cyclohexane or of a cyclohexene, 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 rings, e.g. vitamin A, beta-carotene, beta-ionone
20	having side-chains substituted by carboxyl groups

C	CHEMISTRY; METALLURGY
07	ORGANIC CHEMISTRY
C	ACYCLIC OR CARBOCYCLIC COMPOUNDS
51	Preparation of carboxylic acids or their salts, halides, or anhydrides
347	by reactions not involving formation of carboxyl groups
353	by isomerisation; by change of size of the carbon skeleton

C	CHEMISTRY; METALLURGY
07	ORGANIC CHEMISTRY
D	HETEROCYCLIC COMPOUNDS
309	Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
32	having two double bonds between ring members or between ring members and non-ring members

C	CHEMISTRY; METALLURGY
07	ORGANIC CHEMISTRY
C	ACYCLIC OR CARBOCYCLIC COMPOUNDS
403	Derivatives of cyclohexane or of a cyclohexene, 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 rings, e.g. vitamin A, beta-carotene, beta-ionone
20	having side-chains substituted by carboxyl groups

C	CHEMISTRY; METALLURGY
07	ORGANIC CHEMISTRY
C	ACYCLIC OR CARBOCYCLIC COMPOUNDS
51	Preparation of carboxylic acids or their salts, halides, or anhydrides
347	by reactions not involving formation of carboxyl groups
353	by isomerisation; by change of size of the carbon skeleton

Processing

National Phase Entries

Authority File

Settings

Feedback

Goto Application

1. CA2380026 - PROCESS FOR THE PREPARATION OF ISOTRETINOIN