Five-membered 2,3-dioxo heterocycles: LXXXII. Recyclization of dimethyl 4,5-Dioxo-4,5-dihydro-1H-pyrrole-2,3-dicarboxylates in reaction with monosubstituted hydrazines. crystalline and molecular structure of dimethyl 1-benzyl-5-(4-methylphenylcarbamoyl)-1H-pyrazole-3,4-dicarboxylate
作者:P. S. Silaichev、M. A. Chudinova、P. A. Slepukhin、A. N. Maslivets
DOI:10.1134/s1070428012010174
日期:2012.1
Dimethyl 1-aryl(benzyl)-4,5-dioxo-4,5-dihydro-1H-pyrrole-2,3-dicarboxylates reacted with phenylhydrazine and benzylhydrazine to give dimethyl 1-aryl(benzyl)-5-[(aryl or benzyl) carbamoyl]-1H-pyrazole-3,4-dicarboxylates.