Reaction of methyl 3-aroyl-1-aryl-4,5-dioxo-4,5-dihydro-1 H -pyrrole-2-carboxylates with arylhydrazines. synthesis of isomeric 5-arylcarbamoyl-4-aroyl- and 5-aryl-4-aryloxamoyl-1 H -pyrazoles

A. Yu. Dubovtsev; A. A. Moroz; M. V. Dmitriev; A. N. Maslivets

doi:10.1134/S1070428016040126

Reaction of methyl 3-aroyl-1-aryl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates with arylhydrazines. synthesis of isomeric 5-arylcarbamoyl-4-aroyl- and 5-aryl-4-aryloxamoyl-1H-pyrazoles

Авторы: Dubovtsev A.Y.¹, Moroz A.A.¹, Dmitriev M.V.¹, Maslivets A.N.¹
Учреждения:
1. Perm State National Research University
Выпуск: Том 52, № 4 (2016)
Страницы: 546-552
Раздел: Review
URL: https://journal-vniispk.ru/1070-4280/article/view/214112
DOI: https://doi.org/10.1134/S1070428016040126
ID: 214112

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Аннотация

Methyl 3-aroyl-1-aryl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates reacted with arylhydrazines to give methyl 3-aroyl-1-aryl-2-(2-arylhydrazinyl)-4-hydroxy-5-oxo-2,5-dihydro-1H-pyrrole-2-carboxylates which underwent thermal recyclization into isomeric methyl 1-aryl-5-(arylcarbamoyl)-4-aroyl-1H-pyrazole- 3-carboxylates and methyl 1,5-diaryl-4-[2-oxo-2-(arylamino)acetyl]-1H-pyrazole-3-carboxylates.