diethyl 5,6-dihydro-2H-1,3-dithiolo<4,5-b><1,4>dithiin-2-ylphosphonate 、
2-(2-[1,3]Diselenol-2-ylidene-3-oxo-propylidene)-[1,3]dithiole-4,5-dicarboxylic acid dimethyl ester 在
正丁基锂 作用下,
以
四氢呋喃 为溶剂,
以28%的产率得到2-[3-(5,6-Dihydro-[1,3]dithiolo[4,5-b][1,4]dithiin-2-ylidene)-2-[1,3]diselenol-2-ylidene-propylidene]-[1,3]dithiole-4,5-dicarboxylic acid dimethyl ester