[(1S,3R,6S,7S,9S,11R,13S,16R,17S,19R)-6-[[(1R,3S,5R,6S,8S,9S,10R,12R,14S,15R,17S)-6-[(2S)-but-3-en-2-yl]-8,17-dimethyl-9,14-bis(phenylmethoxy)-15-(phenylmethoxymethyl)-2,7,11,16-tetraoxatetracyclo[8.8.0.03,8.012,17]octadecan-5-yl]oxy]-9,11-dimethyl-16-(naphthalen-2-ylmethoxy)-17-[2-(naphthalen-2-ylmethoxy)ethyl]-2,8,12,18-tetraoxatetracyclo[9.9.0.03,9.013,19]icosan-7-yl] acetate 、
烯丙基三甲基硅烷 在
三氟化硼乙醚 作用下,
以
乙腈 为溶剂,
以58%的产率得到(1R,3S,6R,7S,9R,11S,13R,16S,17R,19S)-16-[[(1R,3S,5R,6S,8S,9S,10R,12R,14S,15R,17S)-6-[(2S)-but-3-en-2-yl]-8,17-dimethyl-9,14-bis(phenylmethoxy)-15-(phenylmethoxymethyl)-2,7,11,16-tetraoxatetracyclo[8.8.0.03,8.012,17]octadecan-5-yl]oxy]-1,19-dimethyl-6-(naphthalen-2-ylmethoxy)-7-[2-(naphthalen-2-ylmethoxy)ethyl]-17-prop-2-enyl-2,8,12,18-tetraoxatetracyclo[9.9.0.03,9.013,19]icosane