Regioselectivity in the amination of methylsulfanyl-substituted azines with O-mesitylenesulfonylhydroxylamine
作者:G. I. Borodkin、A. Yu. Vorob’ev、M. M. Shakirov、V. G. Shubin
DOI:10.1134/s1070428010060229
日期:2010.6
Reactions of O-mesitylenesulfonylhydroxylamine with 2-(methylsulfanyl)pyrazine, 2-(methylsulfanyl) pyrimidine, and 3,5-dimethyl-2-(methylsulfanyl)pyrimidines involve both sulfur and nitrogen atoms. The amination products at the sulfur atom prevail in the resulting mixture of isomeric cations, and the ratio of the S-NH(2) and N-NH(2) derivatives depends on the substrate nature. The experimental data were interpreted in terms of DFT quantum-chemical calculations.