Synthesis of 4-hydroxy-5-methyl-2-[2-(4-oxo-4H-chromen-3-yl)ethenyl]-6H-1,3-oxazin-6-ones and their reaction with hydrazine
Тип публикации: Journal Article
Дата публикации: 2017-05-01
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SJR: 0.179
CiteScore: 1.4
Impact factor: 0.8
ISSN: 10703632, 16083350
General Chemistry
Краткое описание
4-Hydroxy-6H-1,3-oxazin-6-ones containing a 3-vinylchromone fragment in the 2-position were synthesized. The direction of their reactions with hydrazine hydrate was found to depend on the solvent nature. The reaction in protic solvents (methanol, acetic acid) resulted in recyclization of both oxazine ring to 1,2,4-triazole and pyranone ring to pyrazole. Aprotic acetonitrile favored attack of hydrazine exclusively on the oxazine ring, while the 3-vinylchromone fragment remained intact.
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Chernov N. M. et al. Synthesis of 4-hydroxy-5-methyl-2-[2-(4-oxo-4H-chromen-3-yl)ethenyl]-6H-1,3-oxazin-6-ones and their reaction with hydrazine // Russian Journal of General Chemistry. 2017. Vol. 87. No. 5. pp. 952-956.
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Chernov N. M., Klyukin A. S., Ksenofontova G. V., Shchegolev A. E., Yakovlev I. P. Synthesis of 4-hydroxy-5-methyl-2-[2-(4-oxo-4H-chromen-3-yl)ethenyl]-6H-1,3-oxazin-6-ones and their reaction with hydrazine // Russian Journal of General Chemistry. 2017. Vol. 87. No. 5. pp. 952-956.
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TY - JOUR
DO - 10.1134/S1070363217050103
UR - https://doi.org/10.1134/S1070363217050103
TI - Synthesis of 4-hydroxy-5-methyl-2-[2-(4-oxo-4H-chromen-3-yl)ethenyl]-6H-1,3-oxazin-6-ones and their reaction with hydrazine
T2 - Russian Journal of General Chemistry
AU - Chernov, N M
AU - Klyukin, A S
AU - Ksenofontova, G V
AU - Shchegolev, A E
AU - Yakovlev, I P
PY - 2017
DA - 2017/05/01
PB - Pleiades Publishing
SP - 952-956
IS - 5
VL - 87
SN - 1070-3632
SN - 1608-3350
ER -
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@article{2017_Chernov,
author = {N M Chernov and A S Klyukin and G V Ksenofontova and A E Shchegolev and I P Yakovlev},
title = {Synthesis of 4-hydroxy-5-methyl-2-[2-(4-oxo-4H-chromen-3-yl)ethenyl]-6H-1,3-oxazin-6-ones and their reaction with hydrazine},
journal = {Russian Journal of General Chemistry},
year = {2017},
volume = {87},
publisher = {Pleiades Publishing},
month = {may},
url = {https://doi.org/10.1134/S1070363217050103},
number = {5},
pages = {952--956},
doi = {10.1134/S1070363217050103}
}
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Chernov, N. M., et al. “Synthesis of 4-hydroxy-5-methyl-2-[2-(4-oxo-4H-chromen-3-yl)ethenyl]-6H-1,3-oxazin-6-ones and their reaction with hydrazine.” Russian Journal of General Chemistry, vol. 87, no. 5, May. 2017, pp. 952-956. https://doi.org/10.1134/S1070363217050103.
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