The present invention relates to an improved process for the preparation of 3-isobutyl glutaric acid compound of formula-1 which is used as the key intermediate in the preparation of Pregabalin compound of formula-A. The present invention also relates to an improved process for the preparation of (S)-3-(aminomethyl)-5-methylhexanoic acid compound of formula-A.
本发明涉及一种改进的制备3-异丁基
戊二酸化合物的方法,该化合物的
化学式为1,它被用作制备化合物A(pregabalin)的关键中间体。本发明还涉及一种改进的制备(S)-3-(
氨甲基)-
5-甲基己酸化合物的方法,该化合物的
化学式为A。