6-(3(S)-tert-Butoxycarbonylamino-5(R)-methyl-2-oxo-pyrrolidin-1-yl)-3(R)-(2-methyl-pyrimidin-5-yl)-hex-4-enoic Acid Ethyl Ester 在
钯 氢气 作用下,
以
甲醇 、
乙醇 为溶剂,
反应 1.5h,
以to give 5-4 as an oil的产率得到6-(3(S)-tert-Butoxycarbonylamino-5(R)-methyl-2-oxo-pyrrolidin-1-yl)-3(S)-(2-methyl-pyrimidin-5-yl)-hexanoic Acid Ethyl Ester