Five-membered 2,3-dioxoheterocycles: CVIII. [3+3]-Nucleophilic addition of acyclic enaminoketones to 4,5-dimethoxycarbonyl-1H-pyrrole-2,3-diones. Crystal and molecular structure of substituted 2,6-diazabicyclo[3.2.1]oct-3-enes
作者:P. S. Silaichev、M. A. Zheleznova、P. A. Slepukhin、A. N. Maslivets
DOI:10.1134/s1070428014110104
日期:2014.11
1-Aryl-4,5-dimethoxycarbonyl-1H-pyrrole-2,3-diones react with 4-aminopent-3-en-2-one and 3-amino-1-phenylbut-2-en-1-one affording dimethyl 4-acyl-1-hydroxy-3-methyl-7-oxo-6-(4-chlorophenyl)-2,6-diazabicyclo[3.2.1]oct-3-ene-5,8-dicarboxylates whose structure was proved by X-ray diffraction analysis.
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.
Five-membered 2,3-dioxoheterocycles: XC. Reaction of 4,5-bis(methoxycarbonyl)-1H-pyrrole-2,3-diones with enaminoesters. crystal and molecular structure of 4-methyl 9-ethyl 7-benzyl-3-hydroxy-8-methyl-1-(4-methoxyphenyl)-2,6-dioxo-1,7-diazaspiro[4.4]nona-3,8-diene-4,9-dicarboxylate
作者:P. S. Silaichev、M. A. Chudinova、P. A. Slepukhin、A. N. Maslivets
DOI:10.1134/s107042801211005x
日期:2012.11
1-Aryl-4,5-bis(methoxycarbonyl)-1H-pyrrole-2,3-diones react with ethyl 3-(benzylamino)but-2-enoate and ethyl 3-(benzylamino)-3-phenylacrylate giving 4-methyl 9-ethyl 1-aryl-7-benzyl-3-hydroxy-8-methyl- and 4-methyl 9-ethyl 1-aryl-7-benzyl-3-hydroxy-8-phenyl-2,6-dioxo-1,7-diazaspiro[4.4]nona-3,8-diene-4,9-dicarboxylates.
Recyclization of Pyrrolediones with Arylaminoindenones. Synthesis of Indeno[1,2-b]pyridines
作者:M. V. Dmitriev、P. S. Silaichev、K. V. Lesnikova、M. A. Zheleznova、M. A. Ezhikova、M. I. Kodess、A. N. Maslivets
DOI:10.1134/s1070428018090154
日期:2018.9
Dimethyl 1-aryl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2,3-dicarboxylates reacted with 3-arylamino-1H-inden-1-ones to give the corresponding methyl 1-aryl-3-[2-(arylamino)-2-oxoacetyl]-2,5-dioxo-2,5-dihydro-1H-indeno[1,2-b]pyridine-4-carboxylates.
[3 + 3]-nucleophilic addition of acyclic enamino ketones to dimethyl 1-aryl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2,3-dicarboxylates
作者:P. S. Silaichev、M. A. Chudinova、A. N. Maslivets