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Synthesis of Iodo-Flavanones and Chromanones

A. S. Dighade and S. R. Dighade

The mixture of 1-(2-hydroxy-3-iodo-5-methyl phenyl)-3-phenyl-1, 3-propanedione and six different aromatic aldehydes were refluxed in ethanol containing few drops of piperidine for 30 min. Thus synthesized flavanone IIa-IIf. The synthesized compounds were characterized by I.R. and N.M.R. spectral analysis.