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Paper | Regular issue | Vol 26, No. 12, 1987, pp.3173-3180
Published online, 1st January, 1970
DOI: 10.3987/R-1987-12-3173
■ Cycliaddition Reactions of 2,3-Diphenylquinoxaline-5,8-dione. Synthesis of Novel Pyrazolo[3,4-g]quinoxalinequinone, Isoxazolo[4,5-g]quinoxalinequinone and Pyrrolo[3,4-g]quinoxalinequinone

Bindumadhavan Venugopalan, Sivasilam Suresh Iyer, Pravin Jayant Karnik, and Noel John de Souza

*Department of Chemistry, Research Centre, Hoechst India Limited, Mulund, Bombay 400 080, India

Abstract

2,3-Disubstituted quinoxalinequinones were prepared. Synthesis of pyrazolo [3,4-g]quinoxalinequinones 4 and 5, isoxazolo [4,5-g]quinoxalinequinone 7 and pyrrolo [3,4-g]quinoxa1inequinone 10 using dipolar cycloaddition reactions of quinoxalinequinones 3 with respective dipoles are reported.