[(1E,3S)-2-methyl-1-(2-methyl-1,3-thiazol-4-yl)hexa-1,5-dien-3-yl] (3S,6R,7R)-3,7-bis[[tert-butyl(dimethyl)silyl]oxy]-4,4,6-trimethyl-5-oxo-7-(5-prop-2-enylfuran-2-yl)heptanoate 在
Grubbs catalyst first generation cesium fluoride 作用下,
以
二氯甲烷 、
N,N-二甲基甲酰胺 为溶剂,
生成 (Z)-(6S,10S,13R,14R)-10,14-Dihydroxy-11,11,13-trimethyl-6-[(E)-1-methyl-2-(2-methyl-thiazol-4-yl)-vinyl]-7,18-dioxa-bicyclo[13.2.1]octadeca-1(17),3,15-triene-8,12-dione