Polarity, polarizability, and geometrical structures of certain aliphatic ?-bromoketones

Autor:	I. M. Khamatullina, Anatoly N. Vereshchagin, F. G. Saitkulova, B. A. Arbuzov, I. I. Lapkin, A. M. Kamalyutdinova, S. G. Vul'fson
Rok vydání:	1978
Předmět:	chemistry.chemical_classification Ketone Bromine Carbon atom Plane (geometry) Chemistry Polarity (physics) Stereochemistry chemistry.chemical_element General Chemistry Crystallography Polarizability Orientation (geometry) Conformational isomerism
Zdroj:	Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 27:64-69
ISSN:	1573-9171 0568-5230
DOI:	10.1007/bf01153210
Popis:	1. α-Bromoethyl andα-bromoisopropyl ketones exist as conformers with gauche orientation of the C=O and C=Br bonds in CCl4 solution. 2. 1,3-Dibromoacetone exists as a 2∶3 mixture of gauche-gauche and gauche-cis forms with the bromine atoms located on opposite sides of the carbon atom plane; 1,3-dibromo-3-methyl-2-butanone exists as a 5∶1 mixture of two gauche forms, the bromine atoms being located on the same side of the C-CO-C plane in the one, and on opposite sides of this plane, in the other. 3. There is no apparent difference between the conformations of the analogousα-chloro- andα-bromoketones.
Databáze:	OpenAIRE
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