(Z)-(-)-crotylbis(isopinocampheyl)borane 、
(R)-7-(tert-Butyl-dimethyl-silanyloxy)-8-((S)-2,2-dimethyl-[1,3]dioxolan-4-yl)-oct-5-ynal 以
四氢呋喃 为溶剂,
以59%的产率得到(3R,4R,10R)-10-(tert-Butyl-dimethyl-silanyloxy)-11-((S)-2,2-dimethyl-[1,3]dioxolan-4-yl)-3-methyl-undec-1-en-8-yn-4-ol