2-((S)-1-Aminomethyl-2-tert-butoxycarbonylamino-3-phenyl-propylamino)-benzoic acid methyl ester 在
sodium methylate 作用下,
以
甲醇 为溶剂,
以61%的产率得到[(S)-1-((R)-5-Oxo-2,3,4,5-tetrahydro-1H-benzo[e][1,4]diazepin-2-yl)-2-phenyl-ethyl]-carbamic acid tert-butyl ester