Chemistry of 2-ylidenefuran-3(2H)-ones: XIX. Reaction of 5-aryl-2(oxoylidene)furan-3(2H)-ones with carboxylic acid hydrazides
作者:E. N. Koz’minykh、V. I. Goncharov、V. O. Koz’minykh
DOI:10.1134/s1070428007060115
日期:2007.6
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.
Reaction of 2-(2-oxoethylidene)furan-3(2H)-ones with isopropylidenehydrazides of aromatic carboxylic acids: Synthesis of 3-hydroxy-3-(2-oxoethyl)-2,3-dihydropyridazin-4(1H)-ones
作者:V. O. Kozminykh、D. B. Oborin、V. I. Goncharov、E. N. Kozminykh
DOI:10.1007/s10593-007-0152-4
日期:2007.8
Koz'minykh; Igidov; Koz'minykh, Russian Journal of Organic Chemistry, 2000, vol. 36, # 9, p. 1341 - 1345