[(2R,4S)-2-(2-Amino-6-chloro-purin-9-ylmethyl)-4-tert-butoxycarbonylamino-pyrrolidin-1-yl]-acetic acid ethyl ester 在
sodium hydroxide 作用下,
以
甲醇 为溶剂,
以88%的产率得到[(2R,4S)-2-(2-Amino-6-oxo-1,6-dihydro-purin-9-ylmethyl)-4-tert-butoxycarbonylamino-pyrrolidin-1-yl]-acetic acid