1-[(1S,3R,8R,10S,12R,14S,15S,17R,19R)-7,7-bis(ethylsulfanyl)-10-methyl-15-phenylmethoxy-17-(3-phenylmethoxypropyl)-2,9,13,18-tetraoxatetracyclo[10.8.0.03,10.014,19]icosan-8-yl]-2-diphenylphosphoryl-3-[(1R,3S,5Z,8R,9S,11R,12S,14S,16R,18R,20S,21R,23S)-20-[(4-methoxyphenyl)methoxy]-21-[2-[(4-methoxyphenyl)methoxy]ethyl]-8-(2-methoxypropan-2-yloxy)-12,16,18-trimethyl-2,10,15,22-tetraoxatetracyclo[12.10.0.03,11.016,23]tetracos-5-en-9-yl]propan-1-ol 在
双(三甲基硅烷基)氨基钾 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 0.75h,
以74%的产率得到(1R,3S,5Z,8R,9S,11R,12S,14S,16R,18R,20S,21R,23S)-9-[(Z)-3-[(1S,3R,8R,10S,12R,14S,15S,17R,19R)-7,7-bis(ethylsulfanyl)-10-methyl-15-phenylmethoxy-17-(3-phenylmethoxypropyl)-2,9,13,18-tetraoxatetracyclo[10.8.0.03,10.014,19]icosan-8-yl]prop-2-enyl]-20-[(4-methoxyphenyl)methoxy]-21-[2-[(4-methoxyphenyl)methoxy]ethyl]-8-(2-methoxypropan-2-yloxy)-12,16,18-trimethyl-2,10,15,22-tetraoxatetracyclo[12.10.0.03,11.016,23]tetracos-5-ene