Abstract
Treatment of substituted 2-(2,4-dihydroxyphenacyl)thiazole and 2-(2,4-dihydroxyphenacyl)benzothiazole with propionic and isobutyric anhydrides gives the substituted 2-ethyl-and 2-isopropyl-7-acyloxychromones. The use of pivaloyl chloride gives 1-pivaloyloxy-2-hetarylstyrene derivatives.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 6, pp. 835–840, June, 2008.
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Frasinyuk, M.S., Khilya, V.P. Chemistry of hetero analogs of isoflavones 26. Synthesis of 2-alkyl derivatives of 3-(thiazol-2-yl)-and 3-(benzothiazol-2-yl)chromones. Chem Heterocycl Comp 44, 666–670 (2008). https://doi.org/10.1007/s10593-008-0092-7
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DOI: https://doi.org/10.1007/s10593-008-0092-7