The synthesis of (2R,3S)- and (2S,3R)-hydroxyphenylalanine is reported. The main steps are the 1,4-addition of O-benzylhydroxylamine to unsaturated imides and the ring expansion of trans-aziridines.
报道了(2 R,3 S)-和(2 S,3 R)-羟基苯丙
氨酸的合成。主要步骤是将O-苄基
羟胺1,4-加成到不饱和
酰亚胺上,以及反式-
氮丙啶的扩环。