(E)-3-(3,5-dimethoxyphenyl)acryloyl fluoride 、 在
planar(-)-H-pyrrolidino-pyridine derivative 作用下,
以
二氯甲烷 为溶剂,
反应 22.0h,
生成 (3S,3aR,8aR)-3-(3,5-dimethoxy-phenyl)-3a-methyl-8-methylene-3,3a,8,8a-tetrahydro-2H-cyclopenta[a]inden-1-one 、
(3R,3aS,8aS)-3-(3,5-dimethoxy-phenyl)-3a-methyl-8-methylene-3,3a,8,8a-tetrahydro-2H-cyclopenta[a]inden-1-one 、 3-(3,5-dimethoxy-phenyl)-3a-methyl-8-methylene-3,3a,8,8a-tetrahydro-2H-cyclopenta[a]inden-1-one