Advanced search
Start date
Betweenand
(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Conformation of some 2,4,6-trisubstitued pyridinium salts

Full text
Author(s):
Lucchese, Angelica M. [1] ; Di Vitta, Claudio [2] ; Vilcachagua, Janaina D. [2] ; Nakagawa, Juliana M. [2] ; Franco, Mauricio P. [2] ; Braga, Ataualpa A. C. [2] ; Marzorati, Liliana [2]
Total Authors: 7
Affiliation:
[1] Univ Estadual Feira de Santana, Dept Ciencias Exatas, Area Quim, BR-44031460 Feira De Santana, Bahia - Brazil
[2] Univ Sao Paulo, Inst Quim, Ave Lineu Prestes 748, BR-05508900 Sao Paulo - Brazil
Total Affiliations: 2
Document type: Journal article
Source: Journal of Molecular Structure; v. 1149, p. 640-644, DEC 5 2017.
Web of Science Citations: 0
Abstract

Favored conformations of some pyridinium salts could be accessed by NOE experiments and calculations. The favored conformation of 2,4,6-trimethylpyridinium salt 1 is a slightly distorted open conformation. For 2,4,6-trimethylpyridinium salts 2 and 3, favored distorted closed gauche conformations, that would be stabilized by a pi-cation interaction, are proposed. Favored conformations for 2,4,6-triphenyl salts 4 and 5 are very similar to the analogous for 1 and 2 indicating little influence of the nature of 2,6-substituents of the heterocyclic ring. (C) 2017 Elsevier B.V. All rights reserved. (AU)

FAPESP's process: 15/01491-3 - Theoretical study of cross-coupling reactions: homogeneous and heterogeneous catalysis
Grantee:Ataualpa Albert Carmo Braga
Support Opportunities: Regular Research Grants
FAPESP's process: 14/25770-6 - New frontiers in cross-coupling reactions promoted by palladium: combining enantioselective catalysis, C-H activations, new materials and in flux reactions aiming at high efficiency and sustainability in synthetic processes
Grantee:Carlos Roque Duarte Correia
Support Opportunities: Research Projects - Thematic Grants