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Synthesis, Reaction and Theoretical Study of 3-Formylchromones
* 1 , 1 , 1 , 2 , 3
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: Synthesis and theoretical study of five new 2-oxopyranochromone-3-carbaldehydes, and their reactions with 2,4-dinitrophenylhydrazine and 2-benzothiazolylhydrazine were investigated.
Keywords: 2-Oxopyranochromone-3-carbaldehydes, Vilsmeier-Haack reaction, AM1 method