(5,6-Dihydro-[1,3]dithiolo[4,5-b][1,4]dithiin-2-yl)-phosphonic acid dimethyl ester 、
(4,5-Diacetyl-[1,3]dithiol-2-ylidene)-p-tolyl-acetaldehyde 在
正丁基锂 作用下,
以
四氢呋喃 为溶剂,
以73%的产率得到2-[2-[4,5-Bis[1-(5,6-dihydro-[1,3]dithiolo[4,5-b][1,4]dithiin-2-ylidene)ethyl]-1,3-dithiol-2-ylidene]-2-(4-methylphenyl)ethylidene]-5,6-dihydro-[1,3]dithiolo[4,5-b][1,4]dithiine