PROCESS FOR THE MANUFACTURE OF A PRECURSOR OF VITAMIN B1
摘要
The present invention relates to a novel process for the manufacture of Grewe-diamine comprising the following step: hydrolyzing a compound of formula (II), wherein R is hydrogen or straight- or branched chain C<SUB>1-4</SUB> alkyl, with an aqueous alkali or alkaline-earth metal hydroxide solution, characterized in that the hydrolysis is carried out in the presence of an organic solvent.
申请公布号
WO2006079504(A3)
申请公布日期
2007.02.15
申请号
WO2006EP00600
申请日期
2006.01.24
申请人
DSM IP ASSETS B.V.;BONRATH, WERNER;FISCHESSER, JOCELYN;GIRAUDI, LISA;KARGE, REINHARD
