ethyl (1R,2S)-2-ethenyl-1-[[(2S,4R)-1-[(2S)-2-[(2-methylpropan-2-yl)oxycarbonylamino]non-8-enoyl]-4-[1-[(4-phenylphenyl)methyl]tetrazol-5-yl]pyrrolidine-2-carbonyl]amino]cyclopropane-1-carboxylate 、
ethyl (1R,2S)-2-ethenyl-1-[[(2S,4R)-1-[(2S)-2-[(2-methylpropan-2-yl)oxycarbonylamino]non-8-enoyl]-4-[2-[(4-phenylphenyl)methyl]tetrazol-5-yl]pyrrolidine-2-carbonyl]amino]cyclopropane-1-carboxylate 在
二氯(邻异丙氧基苯基亚甲基)(三环己基膦)钌 作用下,
以
二氯甲烷 为溶剂,
生成 ethyl (1S,4R,6S,7Z,14S,18R)-14-[(2-methylpropan-2-yl)oxycarbonylamino]-2,15-dioxo-18-[1-[(4-phenylphenyl)methyl]tetrazol-5-yl]-3,16-diazatricyclo[14.3.0.04,6]nonadec-7-ene-4-carboxylate 、 ethyl (1S,4R,6S,7Z,14S,18R)-14-[(2-methylpropan-2-yl)oxycarbonylamino]-2,15-dioxo-18-[2-[(4-phenylphenyl)methyl]tetrazol-5-yl]-3,16-diazatricyclo[14.3.0.04,6]nonadec-7-ene-4-carboxylate