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Springer Verlag, Russian Chemical Bulletin, 3(64), p. 650-657

DOI: 10.1007/s11172-015-0913-7

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Structural studies of conformers of 3-(N-acetyl-N-arylamino)tropones by heteronuclear, two-dimensional, and dynamic NMR spectroscopy and X-ray diffraction analysis

Journal article published in 2015 by I. G. Borodkina, A. A. Kolodina, P. B. Chepurnoi, Y.-U. A. Sayapin, Yu A. Sayapin ORCID, E. A. Gusakov, I. V. Dorogan, G. S. Borodkin, G. V. Shilov, V. V. Tkachev
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Acylation of 5,7-di(tert-butyl)-2-(5,8-dimethyl-4-piperidinoquinolin-2-yl)-3-(3,5-dimethylphenylamino)tropone leads to the corresponding 3-(N-acetyl-N-arylamino)tropone. Heteronuclear, two-dimensional, and dynamic NMR spectroscopy were used to determine structures of conformers of N-acetyl-3-arylaminotropone. The structure of 3-[N-acetyl-N(3,5-dimethylphenyl)amino]-5,7-di(tert-butyl)-2-(5,8-dimethyl-4-piperidinoquinolin-2-yl)tropone was established by X-ray diffraction studies.