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Improving Methodology for the Preparation of 2- (Substituted phenyl)-4, 5-bis (4-Methoxyphenyl)-1Himidazoles from 4, 4’-Dimethoxybenzil under Microwave



(4-methoxyphenyl)-1H-imidazoles by one step condensation of an substituted aldehyde.4,4’-dimethyl benzil,ammonium acetate under microwave irradiation is described.The structure of the product were characterized by 1HNMR,IR,elemental analysis, and melting point.The advantage of this method is simple methods,procedure are a green method,its milder conditions, necessary shorter reaction time and its higher yields and easy workup. Index Terms- Imidazoles, Solvent free, MW irradiation, multicomponent reaction

Topics: Al2O3, Iodine 23, Zr(acac)4 24, Sodium bisulfite 25, L-proline 26
Year: 2014
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