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Inter- and Intramolecular CF center dot center dot center dot C=O Interactions on Aliphatic and Cyclohexane Carbonyl Derivatives

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Autor(es):
Cormanich, Rodrigo A. ; Rittner, Roberto ; O'Hagan, David ; Buehl, Michael
Número total de Autores: 4
Tipo de documento: Artigo Científico
Fonte: Journal of Computational Chemistry; v. 37, n. 1, p. 9-pg., 2016-01-05.
Resumo

Weak inter- and intra-molecular C delta+ F delta- center dot center dot center dot C delta+=O delta- interactions were theoretically evaluated in 4 different sets of compounds at different theoretical levels. Intermolecular CH3F center dot center dot center dot C=O interactions were stabilizing by about 1 kcal mol(-1) for various carbonyl containing functional groups. Intramolecular CF center dot center dot center dot C=O interactions were also detected in aliphatic and fluorinated cyclohexane carbonyl derivatives. However, the stabilization provided by intramolecular CF center dot center dot center dot C=O interactions was not enough to govern the conformational preferences of compounds 2-4. (C) 2015 Wiley Periodicals, Inc. (AU)

Processo FAPESP: 14/25903-6 - Estudos de estrutura molecular de alguns aminoácidos e dipeptídios
Beneficiário:Roberto Rittner Neto
Modalidade de apoio: Auxílio à Pesquisa - Regular
Processo FAPESP: 11/01170-1 - Estudos físico-químicos de compostos orgânicos: interações de longa distância e análise conformacional de compostos organofluorados
Beneficiário:Rodrigo Antonio Cormanich
Modalidade de apoio: Bolsas no Brasil - Doutorado