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  • Author: Atanas Bijev x
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Abstract

Twenty new N-pyrrolylcarboxylic acids were designed to assume the architecture of contemporary selective COX-2 inhibitors as potential anti-inflammatory agents. The targeted products were synthesized in 70–82% yields by Paal-Knorr cyclization of a set of eight amino acids, acting as primary amines, and four 1,4-dicarbonyl compounds. The latter substrates were prepared by C-alkylation of three commercially available β-dicarbonyl compounds with two ω-bromoacetophenones and used in situ. These compounds inhibit carrageenin-induced rat paw edema and show analgesic activity.