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A SIMPLE AND EFFICIENT MICROWAVE-ASSISTED SYNTHESIS OF QUINOXALINE AND SPIRO-INDOLE DERIVATIVES IN XYLENE

Shivam Bajpai, Sundaram Singh and Vandana srivastava

The reaction of isatin and N-substituted isatins with o-phenylenediamine readily gives rise to quinoxaline and spiro-indole derivatives respectively under controlled microwave irradiation in xylene. The results obtained under microwave assisted reaction have been compared with those obtained under conventional method. The chemical structures of the respective synthesized compounds were confirmed by analytical and spectral data.