IR-Fourier spectroscopy methods are adopted to the study of intramolecular interactions occurring in CCl4 solutions of antivirally active derivatives of N-(3,5-di-tert-butyl-2-hydroxyphenyl)acetamide. Analysis of IR spectra has shown that intramolecular H-bonds O–H···O=C and N–H···O=C are formed in solutions of these compounds. The O–H···O=C and N–H···O=C bond strengths and the direction of the equilibrium shift between the two types of conformers depend on the type of carbonyl group substituent. An intramolecular O–H···O=C H-bond is characteristic of highly active derivatives of N-(3,5-di-tert-butyl-2-hydroxyphenyl)acetamide.
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Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 77, No. 1, pp. 45–52, January–February, 2010.
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Belkov, M.V., Harbachova, A.N., Ksendzova, G.A. et al. Intramolecular interactions of N-(3,5-di-tert-butyl-2-hydroxyphenyl)acetamide derivatives. J Appl Spectrosc 77, 38–44 (2010). https://doi.org/10.1007/s10812-010-9290-z
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DOI: https://doi.org/10.1007/s10812-010-9290-z