二碘甲烷 、
5,5-dimethyl-2-(4-methyl-5-sulfanyl-1,3-dithiol-2-ylidene)cyclohexane-1,3-dione;2,3,4,6,7,8-hexahydropyrrolo[1,2-a]pyrimidine 以
甲醇 为溶剂,
以86%的产率得到2-[4-[[2-(4,4-dimethyl-2,6-dioxocyclohexylidene)-5-methyl-1,3-dithiol-4-yl]sulfanylmethylsulfanyl]-5-methyl-1,3-dithiol-2-ylidene]-5,5-dimethylcyclohexane-1,3-dione