The present invention relates to an improved process for the preparation of (1S,3S,5S)-2-[2(S)-2-amino-2-(3-hydroxy-1-adamantan-1-yl)acetyl]-2-azabicyclo[3.1.0]hexane-3-carbonitrile and its intermediates.
本发明涉及一种改进的制备(1S,3S,5S)-2-[2(S)-2-
氨基-2-(3-羟基-1-亚当曼基-1-基)乙酰]-
2-氮杂双环[3.1.0]己烷-3-碳腈及其中间体的方法。