Chemistry of Heterocyclic Compounds
Volume 43, Number 2, 225-232, DOI: 10.1007/s10593-007-0035-8

4-(10-Methyl-10H-phenothiazin-3-yl)-1,4-dihydropyridines, 4,5-dihydroindeno[1,2- b ]-and 5,5-dioxo-4,5-dihydrobenzo-thieno[3,2- b ]pyridines

B. Vigante, G. Tirzitis, D. Tirzite, B. Chekavichus, J. Uldrikis, A. Sobolev and G. Duburs

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Abstract

Different modifications of the Hantzsch synthesis using 10-methyl-10H-phenothiazine-3-carbaldehyde gave 4-(10-methyl-10H-phenothiazin-3-yl)-substituted 1,4-dihydropyridine-3,5-di-, 5-oxo-4,5-dihydro-1H-indeno[1,2-b]pyridine-, and 5,5-dioxo-4,5-dihydro-1H-5λ6-benzo[4,5]thieno[3,2-b]pyridine-3-carboxylic esters.

Keywords  10-methyl-10H-phenothiazin-3-carbaldehyde - 1,4-dihydropyridine - Hantzsch synthesis - 4-(10-methyl-10H-phenothiazin-3-yl)-5-oxo-1H-4,5-dihydroindeno[1,2-b]pyridine

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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 2, pp. 280–288, February, 2007.

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