(E)-4-(tert-Butyl-diphenyl-silanyloxymethyl)-7-[(4R,5R)-5-((E)-2-iodo-vinyl)-2,2,5-trimethyl-[1,3]dioxan-4-yl]-5-methyl-2-((E)-5-tributylstannanyl-pent-4-enoyl)-hept-4-enoic acid tert-butyl ester 在
bis(trifurylphosphine)palladium dichloride
N,N-二异丙基乙胺 作用下,
以
四氢呋喃 、
N,N-二甲基甲酰胺 为溶剂,
反应 3.0h,
以56%的产率得到(5E,7E,14E)-(4aR,17aR)-14-(tert-Butyl-diphenyl-silanyloxymethyl)-2,2,4a,15-tetramethyl-11-oxo-4,4a,9,10,11,12,13,16,17,17a-decahydro-1,3-dioxa-benzocyclopentadecene-12-carboxylic acid tert-butyl ester