{2-[2-(2-tert-Butoxycarbonylamino-ethoxy)-ethoxy]-ethyl}-carbamic acid 4-formyl-2,6-dimethyl-phenyl ester 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
反应 1.0h,
以90%的产率得到{2-[2-(2-tert-Butoxycarbonylamino-ethoxy)-ethoxy]-ethyl}-carbamic acid 4-hydroxymethyl-2,6-dimethyl-phenyl ester