tetraethyl 18,19-dichloro-15,16-dicyano-17,20-dioxo-1,4,8,11-tetrakis(trimethylsilyl)-6,13-dihydro-6,13-[1,2]benzenopentacene-2,3,9,10-tetracarboxylate 在
γ-松油烯 作用下,
以
甲苯 为溶剂,
反应 3.0h,
以69%的产率得到1,4,8,11-tetrakis(trimethylsilyl)pentacene-2,3,9,10-tetracarboxylic acid tetraethyl ester