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| Article Name : | | | ECO FRIENDLY ROUTE OF DEHYDROGENATION OF 2,3-DIHYDRO-2-PHENYL-4-QUINOLONE TO 2-PHENYL-4-QUINOLONE USING DIACETOXY IODO BENZENE | | Author Name : | | | PANDE G.B. , KENDRE K.L. AND SHIRODKAR S.G. | | Publisher : | | | Ashok Yakkaldevi | | Article Series No. : | | | GRT-2236 | | Article URL : | |  | Author Profile View PDF In browser | | 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 reactions1. Herein we report a new and ecofriendly route for dehydrogenation of 2,3-dihydro-2- phenyl-4-quinolone to 2-phenyl-4-quinolone using diacetoxy iodo benzene and potassium hydroxide2. A series of 2,3-dihydro-2-phenyl-4-quinolones3 has been synthesized using acid-catalyzed one-pot reaction quinolones were prepared through cyclization of the condensation product that were formed by heating of arylamines and ethyl benzoylacetate in toluene. Similarly, the 6 (7 or 8)-substituted 2,3-dihydro-2- phenylquinolones were prepared from the para (ortho or meta)-substituted aniline. | | Keywords : | | - 2-phenyl-4-quinolone, DIB.,
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