Title (en)

STEREOSPECIFIC SYNTHESIS OF POLYENE COMPOUNDS

Title (de)

STEREOSPEZIFISCHE SYNTHESE VON POLYENEN

Title (fr)

SYNTHESE STEREOSPECIFIQUE DE COMPOSES DE POLYENE

Publication

EP 0695285 A1 19960207 (EN)

Application

EP 94915855 A 19940421

Priority

• US 9404440 W 19940421
• US 5204093 A 19930421

Abstract (en)

[origin: WO9424082A1] Methods for stereospecific synthesis of 9-cis olefins and retinoids. In one particular aspect, a cis olefin is generated via a lactol ring opening with complete retention of double bond configuration.

IPC 1-7

C07C 45/56; C07C 45/60; C07C 51/00; C07C 57/26

IPC 8 full level

C07D 309/30 (2006.01); C07C 45/56 (2006.01); C07C 45/60 (2006.01); C07C 47/21 (2006.01); C07C 47/225 (2006.01); C07C 47/232 (2006.01); C07C 47/24 (2006.01); C07C 59/42 (2006.01); C07C 69/587 (2006.01); C07C 403/14 (2006.01); C07C 403/20 (2006.01)

CPC (source: EP)

C07C 45/60 (2013.01); C07C 403/14 (2013.01); C07C 403/20 (2013.01); C07B 2200/09 (2013.01); C07C 2601/16 (2017.04)

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

WO 9424082 A1 19941027; AU 671752 B2 19960905; AU 6772194 A 19941108; CA 2160240 A1 19941027; EP 0695285 A1 19960207; EP 0695285 A4 19960501; EP 0839788 A1 19980506; JP H08509229 A 19961001

DOCDB simple family (application)

US 9404440 W 19940421; AU 6772194 A 19940421; CA 2160240 A 19940421; EP 94915855 A 19940421; EP 97122793 A 19940421; JP 52358694 A 19940421