(6R,7S)-7-[5-tert-Butoxycarbonylamino-5-(2,2,2-trichloro-ethoxycarbonyl)-pentanoylamino]-3-methyl-8-oxo-5-oxa-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester 在
溶剂黄146 、
苯甲醚 、
三氟乙酸 、
锌 作用下,
以
二氯甲烷 为溶剂,
生成 (6R,7S)-7-(5-Amino-5-carboxy-pentanoylamino)-3-methyl-8-oxo-5-oxa-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester; compound with trifluoro-acetic acid