Liquid phase bromination of phenols using potassium bromide and hydrogen peroxide over zeolites

An efficient, simple, mild and regioselective method for oxybromination of phenols catalyzed by CrZSM-5(30) is reported. The electrophilic substitution of bromine generated in situ from KBr as a bromine source and hydrogen peroxide as an oxidant.

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Bibliographic Details
Published in:Journal of molecular catalysis. A, Chemical Chemical, 2003-02, Vol.192 (1), p.73-77
Main Authors: Narender, N, Krishna Mohan, K.V.V, Reddy, R.Vinod, Srinivasu, P, Kulkarni, S.J, Raghavan, K.V
Format: Article
Language:English
Subjects:
Catalysis
Catalytic reactions
Chemistry
Exact sciences and technology
General and physical chemistry
Hydrogen peroxide
Oxybromination
Para-selectivity
Potassium bromide
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
Zeolites
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Summary:An efficient, simple, mild and regioselective method for oxybromination of phenols catalyzed by CrZSM-5(30) is reported. The electrophilic substitution of bromine generated in situ from KBr as a bromine source and hydrogen peroxide as an oxidant.
ISSN:1381-1169
1873-314X
DOI:10.1016/S1381-1169(02)00131-0