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Evaluation of Effect of Microwave Irradiation on Synthesis and Reactions of Some New 3-Acyl-2-R-methylchromones
* 1 , 2 , 1 , 3 , 1 , 1
1  Department of Organic Chemistry, Faculty of Natural Sciences, Comenius University, Mlynská dolina CH-2, SK-842 15 Bratislava, Slovak Republic.
2  Department of Chemistry, Faculty of Education, Ain Shams University, Roxy, Cairo, Egypt
3  Institute of Chemistry Slovak Academic Sciences, 842 38 Bratislava, Slovak Republic

Abstract: The study of preparation by classic and microwave irradiation methods, spectroscopic characterization of 3-Acyl-2-R-methylchromone derivatives(R = H, C6H5, ArO ). Some subsequent reactions of these products with hydroxylamine and by aldol condensation with 3-formylchromones have been studied.
Keywords: 4-oxo-4H-[1]-benzopyran-derivatives,aldol reaction, rearrengement of chromones