Abstract
Methods for the preparation of esters of 1,4-dihydropyridine-3- and -3,5-carbothiolic acids were developed, and their structure and reactivity were studied. A comparative analysis was made of the spectroscopic characteristics of sulfur-containing esters of the 1,4-dihydropyridine series and their oxygen analogs. More strongly expressed electron-acceptor properties of the COSAlk groupings as compared with alkoxycarbonyl substituents were observed.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 2, pp. 219–228, February, 1982.
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Vigante, B.A., Ozols, Y.Y., Dubur, G.Y. et al. Esters of 1,4-dihydropyridine-3- and -3,5-carbothiolic acids. Chem Heterocycl Compd 18, 170–178 (1982). https://doi.org/10.1007/BF00512963
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DOI: https://doi.org/10.1007/BF00512963