Patent ID: 6225514
Filing Date: 2001-05-01
Classification: B01J,C07B,C07C

Abstract:
A composition comprising(A) an aromatic compound that is not a benzophenone, having at least one aromatic ring with at least one hydrogen atom on said aromatic ring;(B) at least one equivalent of a halogenating agent; and(C) about 0.1 to about 50 wt % of an acidic solid catalyst that resists attack by said halogenating agent and by its hydrogen halide and is the calcination reaction product of(1) 51 to 99 wt % of a support which comprises at least one inorganic oxide or hydroxide of at least one metal that is at least divalent and forms a metal-to-oxygen matrix during said calcination; and(2) 1 to 49 wt % of at least one dopant which comprises a compound that places an element that is at least divalent, bonded to oxygen atoms, into said matrix during said calcination.