(4S,4aR,8aS)-4-((E)-2-(furan-3-yl)vinyl)-3,4a,8,8-tetramethyl-4a,5,6,7,8,8a-hexa hydronaphthalen-(4H)-one 在
盐酸 作用下,
以
甲醇 为溶剂,
反应 3.0h,
以40%的产率得到(4R,4aR,8aS)-3-[(1R,4aS,8aR)-1-[(E)-2-(furan-3-yl)ethenyl]-2,5,5,8a-tetramethyl-4-oxo-1,3,4a,6,7,8-hexahydronaphthalen-2-yl]-4-[(E)-2-(furan-3-yl)ethenyl]-3,4a,8,8-tetramethyl-2,4,5,6,7,8a-hexahydronaphthalen-1-one