4-(6,7-dihydro-5H-[1,3]dithiolo[4,5-b][1,4]dithiepin-2-ylidenemethyl)thiadiazole 在
sodium hydride 作用下,
以
乙腈 为溶剂,
以72%的产率得到2-[[(2E)-2-[2-(6,7-dihydro-5H-[1,3]dithiolo[4,5-b][1,4]dithiepin-2-ylidene)ethylidene]-1,3-dithiol-4-yl]methylidene]-6,7-dihydro-5H-[1,3]dithiolo[4,5-b][1,4]dithiepine