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Royal Society of Chemistry, Chemical Communications, 94(50), p. 14892-14895

DOI: 10.1039/c4cc06978a

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Separation of planar rotamers through intramolecular hydrogen bonding in polysubstituted 5-nitrosopyrimidines

Journal article published in 2014 by L. Cechová, L. Čechová, E. Procházková ORCID, I. Císařová, M. Dračínský, Z. Janeba
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

While purifying new polysubstituted 5-nitrosopyrimidines, the unique separation of pairs of rotamers as chemical species, stabilized by a single intramolecular hydrogen bond and differing only in nitroso group orientation, was achieved. This interesting stereochemical phenomenon is compared to the well-known atropisomerism.