S. Zinchenko, R. A. Efimenko, S. Suikov
Jun 23, 2009
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Influential Citations
5
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Journal
Chemistry of Heterocyclic Compounds
Abstract
The reaction of 3-amino-4-(3,4-dimethoxyphenyl)maleimide and the methyl esters of 3-amino-4-(3,4-dimethoxyphenyl)-5-R-thiophene-2-carboxylic acids with carbonyl compounds and nitrous acid has been investigated. Dioxopyrrolo[3,4-c]- and thieno[3,4-c]isoquinolines and cinnolines were obtained.