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Abstract

A NOVEL ROUTE FOR SYNTHESIS OF 2-PHENYL-4-QUINOLONE DERIVATIVES USING DIACETOXY IODOBENZENE AND THEIR ANTIBACTERIAL ACTIVITY

*Pande G. B. and Kendre K. L.

ABSTRACT

As an alternative reagent to various traditional dehydrogenating reagents Diacetoxy iodo benzene is stable, non-hazardous, acidic and has been successfully used for dehydrogenation reactions.[1] Herein we report a new and ecofriendly route for synthesis of 2-phenyl-4- quinolone using diacetoxy iodo benzene and potassium hydroxide.[2] A series of 2,3-dihydro-2-phenyl-quinolones[3] has been synthesized using acid-catalyzed one-pot reaction quinolones were formed by heating of arylamines and ethyl benzolacetate in toluene. Similarly, the 6 (7 or 8)-substituted 2,3-dihydro-2-phenyl-quinolones were prepared from the para (ortho or meta)-substituted aniline.

Keywords: 2,3-dihydro-2-phenyl-quinolones, 2-phenyl-4- quinolone, DIB.


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