EP 2142494 A1 20100113 - METHOD FOR THE ENANTIOSELECTIVE PRODUCTION OF OPTICALLY ACTIVE 4-HYDROXY-2,6,6-TRIMETHYL-CYCLOHEX-2-ENONE DERIVATIVES
Title (en)
METHOD FOR THE ENANTIOSELECTIVE PRODUCTION OF OPTICALLY ACTIVE 4-HYDROXY-2,6,6-TRIMETHYL-CYCLOHEX-2-ENONE DERIVATIVES
Title (de)
VERFAHREN ZUR ENANTIOSELEKTIVEN HERSTELLUNG VON OPTISCH AKTIVEN 4-HYDROXY-2,6,6-TRIMETHYL-CYCLOHEX-2-ENON-DERIVATEN
Title (fr)
PROCEDE DE PRODUCTION ENANTIOSELECTIVE DE DERIVES OPTIQUEMENT ACTIFS DE 4-HYDROXY-2,6,6-TRIMETHYLCYCLOHEX-2-ENONE
Publication
Application
Priority
- EP 2008052202 W 20080222
- EP 07105089 A 20070328
- EP 08717062 A 20080222
Abstract (en)
[origin: WO2008116714A1] The present invention relates to a method for the enantioselective production of optically active 4-hydroxy-2,6,6-trimethyl-cyclohex-2-enone derivatives of formula (I) or (Ia) and to a method for producing (3S, 3'S)-astaxanthin of formula (III), comprising a method for producing the compound of formula (I).
IPC 8 full level
C07C 45/61 (2006.01); C07C 49/713 (2006.01)
CPC (source: EP US)
C07B 53/00 (2013.01 - EP US); C07C 45/64 (2013.01 - EP US); C07C 403/24 (2013.01 - EP US)
Citation (search report)
See references of WO 2008116714A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2008116714 A1 20081002; CN 101646642 A 20100210; EP 2142494 A1 20100113; TW 200909406 A 20090301; US 2010041922 A1 20100218
DOCDB simple family (application)
EP 2008052202 W 20080222; CN 200880010528 A 20080222; EP 08717062 A 20080222; TW 97111046 A 20080327; US 59346608 A 20080222