Jh. Clark et al., ENVIRONMENTALLY FRIENDLY CATALYSIS USING SUPPORTED REAGENTS - THE FAST AND SELECTIVE BROMINATION OF AROMATIC SUBSTRATES USING SUPPORTED ZINC BROMIDE, Chemical communications, (13), 1997, pp. 1203-1204
Zinc bromide supported on mesoporous silica or acid-activated montmori
llonite is a fast, efficient, selective and reusable catalyst for the
para-bromination of activated and moderately deactivated aromatic subs
trates.