(3R,4S)-((5R,7S,8S,9R,10E,12E)-9-(tert-butyldimethylsilyloxy)-5-((S,Z)-7-iodo-4-methoxyhept-6-enyl)-2,2,3,3,8,11,16,16,17,17-decamethyl-4,15-dioxa-3,16-disilaoctadeca-10,12-dien-7-yl) 3-(tert-butyldimethylsilyloxy)-4-((4R,5S,6R)-6-((S)-pent-4-en-2-yl)-1,3-dioxan-4-yl)pentanoate 、
三丁基乙烯基锡 在
双(乙腈)氯化钯(II) 作用下,
以
N-甲基吡咯烷酮 为溶剂,
反应 0.67h,
以82%的产率得到[(2E,4E,6R,7S,8S,10R,14S,16Z)-1,6,10-tris[[tert-butyl(dimethyl)silyl]oxy]-14-methoxy-4,7-dimethylnonadeca-2,4,16,18-tetraen-8-yl] (3R,4S)-3-[tert-butyl(dimethyl)silyl]oxy-4-[(4R,5S,6R)-2,2,5-trimethyl-6-[(2S)-pent-4-en-2-yl]-1,3-dioxan-4-yl]pentanoate