Abstract
Spectral data and pK a values found for a number of 3-(carboxypolymethylene)sydnones made it possible to establish the mutual effect of a heterocyclic ring and a carboxyl group in these compounds and to confirm the high electron-acceptor character of a 3-sydnonyl substituent.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 4, pp. 479–485, April, 1973.
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Slyusarenko, I.S., Klushina, N.G., Kholodov, L.E. et al. 3-(Carboxypolyme thylene) sydnones. Chem Heterocycl Compd 9, 441–446 (1973). https://doi.org/10.1007/BF00471520
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DOI: https://doi.org/10.1007/BF00471520