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SOLVENT-FREE CHEMICAL TRANSFORMATIONS USING MICROWAVE IRRADIATION. 32ND ACS CENTRAL REGIONAL MEETING, MAY 16-19, 2000, ABSTRACTS & PROGRAM, NORTHERN KENTUCKY CONVENTION CENTER, COVINGTON, KY. AMERICAN CHEMICAL SOCIETY, 1999, P. 121.
Citation:
Varma*, R S. SOLVENT-FREE CHEMICAL TRANSFORMATIONS USING MICROWAVE IRRADIATION. 32ND ACS CENTRAL REGIONAL MEETING, MAY 16-19, 2000, ABSTRACTS & PROGRAM, NORTHERN KENTUCKY CONVENTION CENTER, COVINGTON, KY. AMERICAN CHEMICAL SOCIETY, 1999, P. 121. Presented at 32nd ACS Central Regional Meeting, May 16-19, 2000, Abstracts & Program, Northern Kentucky Convention Center, Covington, KY. American Chemical Society, 1999, p. 121, Northern Kentucky Convention Center, Covington, KY, May 16-19, 2000.
Description:
Microwave-expedited solvent-free synthetic processes will be described that involve the exposure of neat reactants to microwave (MW) irradiation in the presence of supported reagents or catalysts on minineral oxides. Recent developments will be presented on the synthetic utility of supported reagents on inorganic oxides such as Fe(NO3)3-clay(clayfen),Cu(NO3)2-clay(claycop) NH4NO3-clay(clayan), NH2OH-clay, Phl(OAc)2-alumina, NalO4-silica, CrO3-alumina, MnO2-silica, and NaBH4-clay, etc., in the context of MW-promoted solventless deprotection, condensation, cycilization, rearrangement, oxidation and reduction reactions. The salient features of these high yield protocols, namely the enhanced reaction rates, greater selectivity and the experimental ease of manipulation will be highlighted.