Activation of a diels-alder reaction of a sterol 5,7 diene
申请人:Monsanto Technology LLC
公开号:US20010047093A1
公开(公告)日:2001-11-29
An improved process and composition are disclosed for isolation of steroids containing a 5,7-diene functionality from a sterol mixture that comprises formation of a Diels-Alder reaction product of the ster-5,7-dienol in the presence of at least a catalytic amount of an ethylenically unsaturated C
12
-C
24
fatty carboxylic acid.
PROCESS FOR PRODUCING DIELS-ALDER ADDUCTS OF STEROL 5,7-DIENES USING UNSATURATED FATTY ACID CATALYST
申请人:Roche Vitamins AG
公开号:EP1268511A1
公开(公告)日:2003-01-02
US6399796B2
申请人:——
公开号:US6399796B2
公开(公告)日:2002-06-04
[EN] PROCESS FOR PRODUCING DIELS-ALDER ADDUCTS OF STEROL 5,7-DIENES USING UNSATURATED FATTY ACID CATALYST<br/>[FR] PROCEDE DE PREPARATION DE PRODUITS D'ADDITION DIELS-ALDER DE STEROL 5,7-DIENES AU MOYEN D'UN CATALYSEUR D'ACIDES GRAS INSATURES
申请人:MONSANTO TECHNOLOGY LLC
公开号:WO2001070760A1
公开(公告)日:2001-09-27
An improved process and composition are dislcosed for isolation of steroids containing a 5,7-diene functionality from a sterol mixture that comprises formation of a Diels-Alder reaction product of the ster-5,7-dienol in the presence of at least a catalytic amount of an ethylenically unsaturated C12-C24 fatty carboxylic acid.