1,3-二硫杂环戊二烯-2-硫酮-4,5-二甲酸二甲酯 、
5-(8-[1,3]Dithiol-2-ylidene-4,4a,6,7,8,8a-hexahydro-1H-1,4-methano-naphthalen-5-ylidene)-[1,3]dithiolo[4,5-d][1,3]dithiol-2-one 在
三甲氧基磷 作用下,
以
甲苯 为溶剂,
以27%的产率得到2-[5-(8-[1,3]Dithiol-2-ylidene-4,4a,6,7,8,8a-hexahydro-1H-1,4-methano-naphthalen-5-ylidene)-[1,3]dithiolo[4,5-d][1,3]dithiol-2-ylidene]-[1,3]dithiole-4,5-dicarboxylic acid dimethyl ester