2-(bromomethyl)cyclopent-2-enone 、
2-乙酰基环戊酮 在
(S)-N-(3,3-dimethyl-1-(pyrrolidin-1-yl)butan-2-yl)-2,4,6-trimethylbenzenesulphonamide 作用下,
以
乙腈 为溶剂,
反应 29.0h,
生成
(1R,1R')-1-acetyl-2'-methylenebi(cyclopentane)-2,3'-dione 、 (1S,1R')-1-acetyl-2'-methylenebi(cyclopentane)-2,3'-dione