1,4,8,11-tetrabutyl-2,3,9,10-tetrakis(methoxycarbonyl)-5,7,12,14-tetrahydropentacene 、
2,3-二氯-5,6-二氰基-1,4-苯醌 以
甲苯 为溶剂,
反应 2.0h,
以93%的产率得到tetramethyl 1,4,8,11-tetrabutyl-18,19-dichloro-15,16-dicyano-17,20-dioxo-6,13-dihydro-6,13-[1,2]benzenopentacene-2,3,9,10-tetracarboxylate