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Efficient Synthesis of 3-Methyl-2H-chromen-2-one: Classic versus Microwave Conditions. -Different methods for the multigram synthesis of title compound (III) are compared. Best results are achieved using a microwave-assisted Perkin reaction. -(FLOREKOVA, L.; FLASIK, R.; STANKOVICOVA*, H.; GAPLOVSKY, A.; Synth. Commun. 41 (2011) 10, 1514-1519, http://dx.doi.org/10.1080/00397911.2010.487174 ; Inst. Chem., Fac. Nat. Sci., Comenius Univ., SK-842 15 Bratislava, Slovakia; Eng.) -H. Haber 44-135