Azido–tetrazole tautomerism of pyrano[3,4-c]pyridine derivatives


Citar

Texto integral

Acesso aberto Acesso aberto
Acesso é fechado Acesso está concedido
Acesso é fechado Somente assinantes

Resumo

Treatment of N-aryl-8-hydrazinylpyrano[3,4-c]pyridine-5-carbonitriles with sodium nitrite in acetic acid afforded the corresponding 8-azido derivatives existing in solution as equilibrium mixtures with cyclic tetrazole tautomer whose fraction attains 48%. Lower solvent polarity and elevated temperature favor increased fraction of the azido tautomer.

Sobre autores

E. Paronikyan

Mndzhoyan Institute of Fine Organic Chemistry, Scientific Technological Center of Organic and Pharmaceutical Chemistry

Email: Shdashyan@gmail.com
Armênia, pr. Azatutyan 26, Yerevan, 0014

Sh. Dashyan

Mndzhoyan Institute of Fine Organic Chemistry, Scientific Technological Center of Organic and Pharmaceutical Chemistry

Autor responsável pela correspondência
Email: Shdashyan@gmail.com
Armênia, pr. Azatutyan 26, Yerevan, 0014

N. Minasyan

Molecular Structure Research Center, Scientific Technological Center of Organic and Pharmaceutical Chemistry

Email: Shdashyan@gmail.com
Armênia, pr. Azatutyan 26, Yerevan, 0014

G. Stepanyan

Mndzhoyan Institute of Fine Organic Chemistry, Scientific Technological Center of Organic and Pharmaceutical Chemistry

Email: Shdashyan@gmail.com
Armênia, pr. Azatutyan 26, Yerevan, 0014

Arquivos suplementares

Arquivos suplementares
Ação
1. JATS XML

Declaração de direitos autorais © Pleiades Publishing, Ltd., 2017