[(1R,4R,7S)-7-(3-[1,3]Dioxolan-2-yl-propyl)-1,7-dimethyl-bicyclo[2.2.1]hept-2-en-2-yloxy]-trimethyl-silane 在
四氯化钛 作用下,
以
二氯甲烷 为溶剂,
反应 0.33h,
生成 (1R,3aR,4S,5R,8aS)-5-(2-Hydroxy-ethoxy)-1,8a-dimethyl-decahydro-1,4-methano-azulen-9-one 、 (1R,3aR,4S,5S,8aS)-5-(2-Hydroxy-ethoxy)-1,8a-dimethyl-decahydro-1,4-methano-azulen-9-one