4,5-ethylenedioxy-1,3-dithiole-2-thione 、
4,5-bis(p-acetoxybenzylsulfanyl)-1,3-dithiol-2-one 在
亚磷酸三乙酯 作用下,
以51%的产率得到Acetic acid 4-[5-(4-acetoxy-benzylsulfanyl)-2-(5,6-dihydro-[1,3]dithiolo[4,5-b][1,4]dioxin-2-ylidene)-[1,3]dithiol-4-ylsulfanylmethyl]-phenyl ester