Abstract
2-[2-(4-Chlorophenyl)-2-oxoethylidene]-5-phenylfuran-3(2H)-one and methyl (5-aryl-3-oxo-2,3-dihydrofuran-2-ylidene)acetates react with carboxylic acid hydrazides to give the corresponding 3-substituted 2-acyl-6-aryl-3-hydroxy-2,3-dihydropyridazin-4(1H)-ones. Specificities of the product structure are discussed.
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Original Russian Text © E.N. Koz’minykh, V.I. Goncharov, V.O. Koz’minykh, 2007, published in Zhurnal Organicheskoi Khimii, 2007, Vol. 43, No. 6 pp. 866–869.
For communication XVIII, see [1].
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Koz’minykh, E.N., Goncharov, V.I. & Koz’minykh, V.O. Chemistry of 2-ylidenefuran-3(2H)-ones: XIX. Reaction of 5-aryl-2(oxoylidene)furan-3(2H)-ones with carboxylic acid hydrazides. Russ J Org Chem 43, 864–867 (2007). https://doi.org/10.1134/S1070428007060115
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DOI: https://doi.org/10.1134/S1070428007060115