4,5-bis[8-(p-tosyloxy)octyloxy]-9-(2',3'-dihydro-2'-methyl-1'H-naphtho[2,1-b]thiopyran-1'-ylidene)-9H-thioxanthene 、
potassium thioacetate 以
N,N-二甲基甲酰胺 为溶剂,
反应 16.0h,
以95%的产率得到4,5-bis[8-(acetylsulfanyl)octyloxy]-9-(2',3'-dihydro-2'-methyl-1'H-naphtho[2,1-b]thiopyran-1'-ylidene)-9H-thioxanthene