Conformational analysis of 1-chloro- and 1-bromo-2-propanol

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Título:	Conformational analysis of 1-chloro- and 1-bromo-2-propanol
Palavras-chave:	Hydrogen Molecular properties Conformation Noncovalent interactions Molecular structure
Data do documento:	Out-2013
Editor:	American Chemical Society (ACS)
Citação:	GONÇALVES, K. M.S. et al. Conformational analysis of 1-chloro- and 1-bromo-2-propanol. The Journal of Physical Chemistry A, [S.l.], v. 117, n. 42, p. 10980-10984, Oct. 2013. DOI: 10.1021/jp408528j.
Resumo:	The conformational isomerism of 1-chloro- (1) and 1-bromo-2-propanol (2) was theoretically and spectroscopically (NMR) analyzed. Conformers with the X–C–C–O (X = Cl and Br) fragment in the gauche orientation were found to be strongly prevalent both in the gas phase and solution, as analyzed by means of coupling constants in the diastereotopic methylene hydrogens. The gauche effect was calculated to be due to hyperconjugation rather than intramolecular X···HO hydrogen bond, indicating the rule of the stereochemical control in compounds with motifs (halohydrins) widely found in pharmaceutical and agrochemical products and intermediates.
URI:	https://pubs.acs.org/doi/10.1021/jp408528j http://repositorio.ufla.br/jspui/handle/1/41170
Aparece nas coleções:	DQI - Artigos publicados em periódicos

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