申请人:Vogel Dennis E.
公开号:US06974877B2
公开(公告)日:2005-12-13
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:
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.
制备取代五环芴化合物的方法包括使用含三氟甲磺酸的酸组合物环化取代的双(苄基)邻苯二甲酸,所述取代的双(苄基)邻苯二甲酸由以下一般式表示:其中每个R(即R1至R8中的每一个基团)独立地是电子给予基团、卤原子、氢原子或它们的组合。