N-(1'-phenylethyl)-2-thioxo-5,6-dihydro-[1,3]dithiolo[4,5-b][1,4]dithiin-5-yl-acetamide 、
4,5-乙撑二硫代-1,3-二硫酚-2-酮 在
亚磷酸三乙酯 作用下,
以46%的产率得到2-[(5S)-2-(5,6-dihydro-[1,3]dithiolo[4,5-b][1,4]dithiin-2-ylidene)-5,6-dihydro-[1,3]dithiolo[4,5-b][1,4]dithiin-5-yl]-N-[(1R)-1-phenylethyl]acetamide