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


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Аннотация

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.

Авторлар туралы

E. Paronikyan

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

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

Sh. Dashyan

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

Хат алмасуға жауапты Автор.
Email: Shdashyan@gmail.com
Армения, pr. Azatutyan 26, Yerevan, 0014

N. Minasyan

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

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

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