(E)-(R)-7-(tert-Butyl-dimethyl-silanyloxy)-1-((2R,3R)-3-{2-[(2R,3R)-3-(tert-butyl-dimethyl-silanyloxymethyl)-2-methyl-oxiranyl]-ethyl}-2-methyl-oxiranyl)-4-methyl-oct-1-ene-3,5-dione 在
四(三苯基膦)钯 camphor-10-sulfonic acid 、
三正丁基氢锡 作用下,
以
四氢呋喃 、
丙酮 为溶剂,
反应 1.84h,
生成
(R)-5-(tert-Butyl-dimethyl-silanyloxy)-2-[(2S,2'R,5'S)-5'-[(R)-2-(tert-butyl-dimethyl-silanyloxy)-1-hydroxy-ethyl]-2,5'-dimethyl-tetrahydro-[2,2']bifuranyl-(5E)-ylidene]-hexan-3-one