tert-butyl (2E,6E)-10-(tert-butyldimethylsilyloxy)-3,7-dimethyldodeca-2,6-dien-11-ynyl carbonate 在
indium (III) iodide 作用下,
以
二氯甲烷 为溶剂,
生成
(4aR,6aR,10aS,10bS)-8-(tert-butyldimethylsilyloxy)-4a,10a-dimethyl-7-methylenedecahydro-1H-naphtho[2,1-d][1,3]dioxin-3-one 、 (4aR,6aR,10aS,10bS)-8-(tert-butyldimethylsilyloxy)-4a,10a-dimethyl-7-methylenedecahydro-1H-naphtho[2,1-d][1,3]dioxin-3-one