Synthesis and antimicrobial activity of tryptanthrin adducts with ketones


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Abstract

Reactions of tryptanthrin with acetone, cyclopentanone, hexan-2-one, 4-methylpentan-2-one, 4-hydroxy-4-methylpentan-2-one, cyclohexanone, and butan-2-one in the presence of potassium carbonate afforded racemic phaitanthrin A and other addition products to the ketone group of tryptanthrin with high yields. Thermal dissociation, some chemical transformations, and antimicrobial activity of some adducts were studied, and inhibitory effect against gram-positive bacteria was found for particular derivatives.

About the authors

P. I. Deryabin

Far Eastern Federal University

Email: moskovkinataisiya@mail.ru
Russian Federation, ul. Sukhanova 8, Vladivostok, 690091

T. V. Moskovkina

Far Eastern Federal University

Author for correspondence.
Email: moskovkinataisiya@mail.ru
Russian Federation, ul. Sukhanova 8, Vladivostok, 690091

L. S. Shevchenko

Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch

Email: moskovkinataisiya@mail.ru
Russian Federation, pr. 100 let Vladivostoku 159, Vladivostok, 690022

A. I. Kalinovskii

Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch

Email: moskovkinataisiya@mail.ru
Russian Federation, pr. 100 let Vladivostoku 159, Vladivostok, 690022

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