申请人:Hoechst Aktiengesellschaft
公开号:US05064959A1
公开(公告)日:1991-11-12
Compounds of general formula ##STR1## are disclosed in which R.sup.1 and R.sup.2 are different from one another and denote either a hydrogen atom or a radical of the formula ##STR2## R.sup.3 denotes a substituted or unsubstituted alkoxy, alkenyloxy, alkynyloxy or aryloxy radical, a hydroxyl group or a halogen atom and n the number 0 or 1. The compounds are useful intermediates for the preparation of photoinitiators and are themselves active as photoinitiators.
揭示了一般式##STR1##的化合物,其中R.sup.1和R.sup.2彼此不同,表示氢原子或公式##STR2##的基团,R.sup.3表示取代或未取代的烷氧基、烯氧基、炔氧基或芳氧基、羟基或卤原子,n为0或1。这些化合物是用于制备光引发剂的有用中间体,并且它们本身也作为光引发剂活性。