2-(bromomethyl)cyclopent-2-enone 、
S,S'-di-adamantyl dithiomalonate 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 44.0h,
以77%的产率得到(S)-S,S'-di-adamantanyl 2-(2-methylene-3-oxocyclopentyl)propanebis(thioate)