4-Hydroxycarbostyril : Part II Studies on Bromination of 3-Alkyl / Benzyl-4-Hydroxycarbostyril

I. S. Jha, C. Choudharya, A.S. Jha, A. K. Kanth and S. S. Jhab

Department of Chemistry, L. N. Mithila University, Darbhanga, Bihar - 846 004 India.

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ABSTRACT:

Brominatlon of 3-alkyl/benzyl-4-hydroxycarbostyril (I) with anhydrous cupric bromide or phenyl trimethyl ammonium perbromide (PTAB) affords 3-bromo derivatives (lla-h) (lle-h) have been conveniently converted to 3-benzylidenequinol-2, 4-diome IIIe-h).

KEYWORDS:

alkyl; hydroxycarbostyril; trimethyl; benzylidenequinol