A process for preparing substituted pentacene compounds comprises the step of cyclizing substituted bis(benzyl)phthalic acids using an acid composition comprising trifluoromethanesulfonic acid, the substituted bis(benzyl)phthalic acids being represented by the following general formulas:
1
wherein each R (that is, each of the groups R
1
through R
8
) is independently an electron-donating group, a halogen atom, a hydrogen atom, or a combination thereof.
一种制备取代五甲基化合物的过程包括使用
三氟甲磺酸组成的酸性组合物,通过环化取代双(苄基)
邻苯二甲酸来实现,所述取代双(苄基)
邻苯二甲酸由以下一般式表示:1其中每个R(即R1到R8中的每一个)独立地是电子供体基团、卤素原子、氢原子或其组合。