申请人:Ajinomoto Co., Inc.
公开号:EP1505065A1
公开(公告)日:2005-02-09
The present invention relates to a method of producing N-carbamate protected-3-amino-1,2-epoxy-4-(hydroxy substituted phenyl)butane at a high optical purity in a high yield, by hydrogenating N-carbamate protected-3-amino-1-chloro-2-hydroxy-4-(benzyloxy substituted phenyl)butane in the presence of a metal catalyst to give N-carbamate protected-3-amino-1-chloro-2-hydroxy-4-(hydroxy substituted phenyl)butane and treating this compound with a base.
本发明涉及一种生产高光学纯度、高收率的 N-氨基甲酸酯保护-3-氨基-1,2-环氧-4-(羟基取代苯基)丁烷的方法,该方法是在金属催化剂存在下氢化 N-氨基甲酸酯保护-3-氨基-1-氯-2-羟基-4-(苄氧基取代苯基)丁烷,得到 N-氨基甲酸酯保护-3-氨基-1-氯-2-羟基-4-(羟基取代苯基)丁烷,并用碱处理该化合物。