(+)-(S)-5-methyl-3-[(R)-2-[triisopropylsilyloxy]hex-5-enyl]furan-2(5H)-one 、 (-)-(1S,2S,6R,10S,Z)-4,4-diphenyl-6-[(2R,5R)-5-[(R)-1-[triisopropylsilyloxy]tridecyl]tetrahydrofuran-2-yl]-2-ethenyl-3,5,13-trioxa-4-silabicyclo[8.2.1]tridec-7-ene 在
RuCl2(1,3-dimesityl-imidazolidin-2-yl)(PCy3)(=CHPh) 作用下,
以
苯 为溶剂,
反应 10.0h,
生成 (S)-3-[(R,E)-6-[(1S,2S,6R,10S,Z)-4,4-diphenyl-6-[(2R,5R)-5-[(R)-1-[triisopropylsilyloxy]tridecyl]tetrahydrofuran-2-yl]-3,5,13-trioxa-4-sila-bicyclo[8.2.1]tridec-7-en-2-yl]-2-[triisopropylsilyloxy]hex-5-enyl]-5-methylfuran-2(5H)-one