Description

This book includes two chapters. First chapter is concerned with the synthesis and biological activities of phenoxazine and second chapter included the active synthons such as oxo-ketenedithioacetals, chalcones, dimethylaminomethyleneketones enolic ethers etc, undergo nucleophilic displacement with bidentate nucleophiles to afford a wide variety of ring structures and thus provide an unprecedented opportunity to a chemist for a one step synthesis of difficultly accessible fused heterocyclic systems containing pyrazole, isoxazole, pyrimidine, benzodiazepine, benzothiazepines etc.

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