methyl 2-{[(tert-butoxycarbonyl)oxy](phenyl)methyl}acrylate 、
1-(4-methoxyphenyl)but-3-en-1-one 在
hydroquinindine-2,5-diphenyl-4,6-pyrimidinediyl diether 作用下,
以
乙腈 为溶剂,
反应 0.5h,
以77%的产率得到(3R,4S)-(-)-methyl 4-(4-methoxybenzoyl)-2-methylene-3-phenylhex-5-enoate