N. Chipanina, L. Oznobikhina, I. Ushakova
Aug 8, 2013
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Journal
Russian Journal of Organic Chemistry
Abstract
The electronic structures and basicities of trifluoro-N-methyl-N-(2-phenylethenyl)methanesulfonamide, N-methyl-2-phenylethenamine, trifluoro-N-methylmethanesulfonamide, and their C-, N-, and O-protonated forms and H-complexes were studied at the B3LYP/6–311+G** and MP2/cc-pVTZ levels of theory. The basicity of the double bond in trifluoro-N-methyl-N-(2-phenylethenyl)methanesulfonamide is much lower than that in N-methyl-2-phenylethenamine, and its protonation is possible only in trifluoromethanesulfonic acid.