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Synthesis of Thiochroman 1,1-Dioxide Derivatives on the Basis of 2,4,6-Trinitrotoluene

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Abstract

Treatment of 2,4,6-trinitrotoluene with β-mercaptocarboxylic acid esters and subsequent oxidation gave 2-(alkoxycarbonyl-R-methylsulfonyl)-4-X-6-nitrotoluenes which were brought into Knoevenagel condensation with aromatic aldehydes (heating in benzene in the presence of secondary amine acetates). As a result of intramolecular cyclization, 2-alkoxycarbonyl-3-aryl-2-R-5-X-7-nitrothiochroman 1,1-dioxides (R = H, Me; X = NO2, R'SO2) were obtained. The developed procedure opens the way to hitherto unknown thiochroman 1,1-dioxide derivatives.

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Tartakovskii, V.A., Shevelev, S.A., Dutov, M.D. et al. Synthesis of Thiochroman 1,1-Dioxide Derivatives on the Basis of 2,4,6-Trinitrotoluene. Russian Journal of Organic Chemistry 39, 397–402 (2003). https://doi.org/10.1023/A:1025597816012

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  • DOI: https://doi.org/10.1023/A:1025597816012

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