(5S,6E,8R,9S)-5,9-di(but-3-enyl)-11,11-diethyl-8-isopropyl-2,2,3,3-tetramethyl-6-[(R)-N-methyl-S-phenylsulfonimidoyl]-4,10-dioxa-3,11-disilatridec-6-ene 在
RuCl2(1,3-dimesityl-imidazolidin-2-yl)(PCy3)(=CHPh) 作用下,
以
二氯甲烷 为溶剂,
反应 16.0h,
以36%的产率得到((1S,2R,3E,5S,8E,12S,13R,14E,16S,19E)-5,16-bis(tert-butyldimethylsilyloxy)-2,13-diisopropyl-4,15-bis[(R)-N-methyl-S-phenylsulfonimidoyl]cyclodocosa-3,8,14,19-tetraene-1,12-diyl)bis(oxy)bis(triethylsilane)