Abstract
The reactivities of methyl esters of furan-2-carboxylic and thiophene-2-carboxylic acidswere studied by the method of competitive nitration. Methyl furan-2-carboxylate is more active in its reactions with a mixture of nitric acid and acetic anhydride (with sulfuric acid as the catalyst) and with a mixture of nitric and sulfuric acids (with acetic anhydride as the solvent).
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 5, pp. 601–604, May, 1978.
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Venter, K.K., Trushule, M.A., Litvinov, V.P. et al. Study of the reactivities of methyl esters of furan-2-carboxylic and thiophene-2-carboxylic acids by the method of competitive nitration. Chem Heterocycl Compd 14, 490–493 (1978). https://doi.org/10.1007/BF00673327
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DOI: https://doi.org/10.1007/BF00673327