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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Bibliographic Details
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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Summary: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%).
ISSN:1070-3632
1608-3350
DOI:10.1134/S1070363222090031