申请人:Canon Kabushiki Kaisha
公开号:US05024912A1
公开(公告)日:1991-06-18
A 5H-dibenzo [a,d] cycloheptenylidene derivative and a 5H-dibenzo [1,d] cycloheptenylidene derivative represented by the following general formula [I]: ##STR1## wherein X is --CH.sub.2 --CH.sub.2 -- or --CH.dbd.CH--; R.sub.1 and R.sub.2 are alkyl groups, aralkyl groups, aromatic groups or heterocyclic groups, R.sub.3 and R.sub.4 are hydrogen atoms, alkyl groups, alkoxy groups or halogen atoms; and Ar.sub.1 is an aromatic group or a heterocyclic group, process for producing those derivatives, and electrophotographic photosensitive member using the same.
以下是通用公式[I]表示的5H-二苯并[a,d]环庚烯基衍生物和5H-二苯并[1,d]环庚烯基衍生物:##STR1## 其中,X为--CH.sub.2 --CH.sub.2 --或--CH.dbd.CH--;R.sub.1和R.sub.2为烷基、芳基烷基、芳香基或杂环基;R.sub.3和R.sub.4为氢原子、烷基、烷氧基或卤素原子;Ar.sub.1为芳香基或杂环基。还提供了制备这些衍生物的方法以及使用它们的电子照相感光成员。