(3aR,4R,5S,6S,7aR)-4-(1-Ethoxy-ethoxy)-5-isopropenyl-6-methyl-6-vinyl-hexahydro-benzofuran-2-one 在
lithium diisopropyl amide 作用下,
以
六甲基磷酰三胺 为溶剂,
生成 (3aR,4R,5S,6S,7aR)-4-(1-Ethoxy-ethoxy)-5-isopropenyl-3,6-dimethyl-3-phenylselanyl-6-vinyl-hexahydro-benzofuran-2-one