Abstract
In continuation of the search for potential analgesics amongst 4-hydroxyquinol-2-one derivatives we have proposed and carried out a preparative method of synthesis of 4-hydroxy-6,7-dimethoxy-2-oxo-1,2-dihydroquinoline-3-carboxylic acid alkylamides. It has been shown that bromination of 4-hydroxy-6,7-dimethoxy-2-oxo-1,2-dihydroquinoline-3-carboxylic acid allylamide using an equivalent of molecular bromine occurs with a conventional addition of the halogen to the allyl double bond and not with halocyclization. The results of the study of the analgesic properties of the compounds prepared are presented. Authors: I. V. Ukrainets, O. V. Bevz, E. V. Mospanova, L. V. Savchenkova, and S. I. Yankovich. English translation in Chemistry of Heterocyclic Compounds , 2012, 48 (2), pp 320-326 http://link.springer.com/article/10.1007/s10593-012-0992-4
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