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Effect of Different Substituents on Amine-imine Tautomerism of 2-Amino-4-methylthiazole Derivatives |
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| Authors: | A P Hyengoyan K A Eliazyan V A Pivazyan E A Khazaryan V V Dovlatyan |
| Institution: | (1) Armenian Agricultural Academy, Yerevan, 375009, Armenia |
| Abstract: | We have used 1H NMR to study the amine-imine tautomerism of some esters and amides of 2-N-labeled 4-methylthiazole-5-carboxylic acids and 5-carbamic acids. We have shown that the nature of the substituents of the 2-NHR1, 5-COR2, or 5-NHCOR2 groups affects that position of the tautomeric equilibrium. __________ Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 8, pp. 1240–1243, August, 2005. |
| Keywords: | esters and amides of thiazole-5-carboxylic acid and thiazole-5-carbamic acid amine-imine tautomerism |
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