Abstract
Reaction of 9-bromocotarnine with heterocyclic α-halo ketones is accompanied by the expansion of the six-membered dihydropyridine ring to seven-membered dihydroazepine one and leads to previously unknown 4-heteroaroyl-9-bromo-3-methyl-1,2-dihydro-6-methoxy-7,8-methylenedioxy-3-benzazepines. It has been shown that some of the resulting compounds exhibit a significant antibacterial activity against Staphylococcus aureus and Escherichia coli. At the same time, the synthesized benzazepines have shown no significant protistocidal activity against Colpoda steinii and fungistatic activity against Penicillium italicum.
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Original Russian Text © A.A. Zubenko, L.N. Divaeva, A.S. Morkovnik, V.G. Kartsev, Y.D. Drobin, N.M. Serbinovskaya, L.N. Fetisov, A.N. Bodryakov, M.A. Bodryakova, L.A. Lyashenko, A.I. Klimenko, 2017, published in Bioorganicheskaya Khimiya, 2017, Vol. 43, No. 5, pp. 555–561.
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Zubenko, A.A., Divaeva, L.N., Morkovnik, A.S. et al. Recyclization of 9-bromocotarnine under the action of haloacylhetarenes. Synthesis and biological activity of the 4-heteroaroyl-9-bromo-1,2-dihydro-6-methoxy-7,8-methylenedioxy-3-benzazepines. Russ J Bioorg Chem 43, 583–588 (2017). https://doi.org/10.1134/S1068162017040173
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DOI: https://doi.org/10.1134/S1068162017040173