2-丁炔酸 、
(5S,6S,10S,E)-10-((S)-5-((2R,6R)-6-(but-2-yn-1-yl)-3,6-dihydro-2H-pyran-2-yl)-4-methyl-2-methylenepentyl)-12,12,13,13-tetramethyl-5-((E)-2-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)vinyl)-2,4,11-trioxa-12-silatetradec-8-en-6-ol 在
4-二甲氨基吡啶 、
N,N'-二异丙基碳二亚胺 作用下,
以
二氯甲烷 为溶剂,
以70%的产率得到(5S,6S,10S,E)-10-((S)-5-((2R,6R)-6-(but-2-yn-1-yl)-3,6-dihydro-2H-pyran-2-yl)-4-methyl-2-methylenepentyl)-12,12,13,13-tetramethyl-5-((E)-2-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)vinyl)-2,4,11-trioxa-12-silatetradec-8-en-6-yl but-2-ynoate