二碘甲烷 、
2,3,4,6,7,8-hexahydropyrrolo[1,2-a]pyrimidine;2-(4-methyl-5-sulfanyl-1,3-dithiol-2-ylidene)propanedinitrile 以
甲醇 为溶剂,
以70%的产率得到2-[4-(2-Dicyanomethylene-5-methyl-[1,3]dithiol-4-ylsulfanylmethylsulfanyl)-5-methyl-[1,3]dithiol-2-ylidene]-malononitrile