A process for the preparation of (S)(+)-3-(aminomethyl)-5-methylhexanoic acid (pregabalin) of formula (I) or a salt thereof,
comprising the reaction of a compound of formula (II)
with an alcohol ROH, in the presence or absence of enzyme, to give a compound of formula (III) as herein defined
the transformation of a compound of formula (III) into a compound of formula (VI) or (VIII) as herein defined,
and the subsequent hydrolysis of a compound of formula (VI) or (VIII), to give pregabalin.
一种制备(S)(+)-3-(
氨甲基)-
5-甲基己酸(pregabalin)的方法,其
化学式为(I)或其盐,包括以下步骤:将化合物II与醇ROH在酶的存在或缺席下反应,得到化合物III(如此处所定义);将化合物III转化为化合物VI或VIII(如此处所定义);随后
水解化合物VI或VIII,得到pregabalin。