2-lithio-2-trimethylsilyl-1,3-dithiane 、
(1S,4R,6S)-4-Hydroxy-4-(2-methyl-[1,3]dioxolan-2-yl)-7-oxa-bicyclo[4.1.0]heptan-2-one 以
四氢呋喃 为溶剂,
反应 1.0h,
以76%的产率得到(1S,4S,5S)-4-[1,3]Dithian-2-yl-3-[1,3]dithian-2-ylidene-1-(2-methyl-[1,3]dioxolan-2-yl)-5-trimethylsilanyloxy-cyclohexanol