There are provided compounds comprising optionally substituted (FORMULA I) fused with one or two optionally substituted (FORMULA II), wherein A and E each independently represent —CH
2
—, —NH—, —O—, —S—, or —C(═O)— and B represents a bond, —CH
2
—, —NH—, —O—, —S—, or —C(═O)—, said compound having directly or indirectly attached thereto at least one acyl and/or oxime ester group. Such compounds are useful inter alias as photoinitiators.
提供了一些化合物,其中包括可选取代的(公式I)与一个或两个可选取代的(公式II)融合,其中A和E各自独立地代表-
CH2-,-NH-,-O-,-S-或-C(=O)-,B代表一个键,- -,-NH-,-O-,-S-或-C(=O)-,该化合物直接或间接地附着至少一个酰基和/或
肟酯基团。这些化合物可用作光
引发剂。