Reactions of Ethyl 3-(4-Oxo-4H-chromen-3-yl)prop-2-enoates with 1,2-Binucleophiles

Reactions of ethyl 3-(4-oxo-4 H -chromen-3-yl)prop-2-enoates with 1,2-binucleophilic agents (hydrazine, phenylhydrazine, hydroxylamine) leads to the formation of some new pyrazole and isoxazole derivatives. The reactions proceed under mild conditions (ethanol, room temperature) to form the title pro...

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Published in:Russian journal of general chemistry 2022-09, Vol.92 (9), p.1604-1609
Main Authors: Kustin, R. P., Chernov, N. M., Shutov, R. V., Yakovlev, I. P.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Ethanol
Hydrazine
Hydrazines
Hydroxides
Pyrazole
Room temperature
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description Reactions of ethyl 3-(4-oxo-4 H -chromen-3-yl)prop-2-enoates with 1,2-binucleophilic agents (hydrazine, phenylhydrazine, hydroxylamine) leads to the formation of some new pyrazole and isoxazole derivatives. The reactions proceed under mild conditions (ethanol, room temperature) to form the title products with high yields (71–99%).
doi_str_mv 10.1134/S1070363222090031
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subjects Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Ethanol
Hydrazine
Hydrazines
Hydroxides
Pyrazole
Room temperature
title Reactions of Ethyl 3-(4-Oxo-4H-chromen-3-yl)prop-2-enoates with 1,2-Binucleophiles
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