申请人:Kansal Vinod Kumar
公开号:US20080306292A1
公开(公告)日:2008-12-11
Provided are syntheses of (S)-(+)-3-(aminomethyl)-5-methylhexanoic acid, (S)-Pregabalin via a chiral intermediate of the following formula 4
wherein Ar is a C
6-10
aromatic group, R is a straight or branched C
1-4
alkyl, ester, or carboxylic acid, and R
1
is a straight or branched C
1-5
alkyl, aralkyl, or substituted aralkyl.
提供了以下化学物质的合成方法:(S)-(+)-3-(氨甲基)-5-甲基己酸和(S)-普瑞巴林,通过手性中间体4合成,其中Ar是C6-10芳香基团,R是直链或支链C1-4烷基,酯基或羧酸基,而R1是直链或支链C1-5烷基,芳基烷基或取代芳基烷基。