Catalysis Letters, Vol.79, No.1-4, 89-94, 2002
A novel single step selective synthesis of 4-hydroxybenzophenone (4-HBP) using zeolite H-beta
The single step selective synthesis of 4-hydroxybenzophenone (4-HBP/2-HBP = 2.1, selectivity for 4-HBP among 2- and 4-HBP = 67.7 wt%) at 95.3 wt% conversion level of benzoic anhydride has been investigated for the first time by the benzoylation of phenol using benzoic anhydride as benzoylating agent and zeolite H-beta as catalyst at 493 K in a Parr autoclave autogenous pressure.
Keywords:benzoylation of phenol;benzoic anhydride;zeolite H-beta;4-hydroxybenzophenone;2-hydroxybenzophenone