三正丁基氢锡 、
(Z)-3-[(4R,5S,4'R,5'R)-5'-((S)-1-Hydroxy-prop-2-ynyl)-2,2,2',2'-tetramethyl-[4,4']bi[[1,3]dioxolanyl]-5-yl]-acrylic acid methyl ester 以
甲苯 为溶剂,
反应 5.0h,
以60%的产率得到{(3aS,4R,6S,6aR,9aR,9bR)-6-Hydroxy-2,2,8,8-tetramethyl-5-[1-tributylstannanyl-meth-(Z)-ylidene]-hexahydro-cyclohepta[1,2-d;3,4-d']bis[1,3]dioxol-4-yl}-acetic acid methyl ester