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Your search keyword '"Alexander S. Kaganovsky"' showing total 2 results
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2 results on '"Alexander S. Kaganovsky"'

1. ChemInform Abstract: 1,2-Methyl Shift in the Reaction of 4,7-Dihydro-4,5-dimethyl-7-phenyl-(1,2,4)-triazolo[1,5-a]pyrimidine with Tosyl Azide

Author

V. D. Orlov, Herbert Meier, Sergey A. Komykhov, Alexander S. Kaganovsky, and Sergey M. Desenko

Subjects
Pyrimidine, Stereochemistry, Chemistry, chemistry.chemical_element, General Medicine, Carbon-13 NMR, Nitrogen, Medicinal chemistry, Adduct, Enamine, Tosyl azide, chemistry.chemical_compound, Derivative (chemistry), Methyl group
Abstract

The reaction of the heterocyclic enamine 1 with tosyl azide (2) leads to the tosylimino derivative 4 of 1,2,4-triazolo[1,5-a]pyrimidine. The extrusion of nitrogen from the primary adduct 3 is followed by a 1,2-shift of a methyl group. The structure determination of 4 is based on 1H and 13C nmr spectra including NOE measurements.

Published
2010
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2. 1,2-Methyl shift in the reaction of 4,7-dihydro-4,5-dimethyl-7-phenyl-(1,2,4)-triazolo[1,5-a]pyrimidine with tosyl azide

Author

Alexander S. Kaganovsky, V. D. Orlov, Sergey A. Komykhov, Herbert Meier, and Sergey M. Desenko

Subjects
Tosyl azide, chemistry.chemical_compound, Pyrimidine, Chemistry, Organic Chemistry, chemistry.chemical_element, Carbon-13 NMR, Medicinal chemistry, Nitrogen, Derivative (chemistry), Adduct, Enamine, Methyl group
Abstract

The reaction of the heterocyclic enamine 1 with tosyl azide (2) leads to the tosylimino derivative 4 of 1,2,4-triazolo[1,5-a]pyrimidine. The extrusion of nitrogen from the primary adduct 3 is followed by a 1,2-shift of a methyl group. The structure determination of 4 is based on 1H and 13C nmr spectra including NOE measurements.

Published
2000
Full Text
View/download PDF

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