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Furan derivatives. XII. Preparation and absorption spectra of [5-(2-nitrophenyl)-2-furfurylidene]benzoylhydrazones

R. Frimm, Š. Kováč, J. Kováč, and K. Bencze

Department of Organic Chemistry, Slovak Technical University, Bratislava

 

Abstract: By condensation of 5-(2-nitrophenyl)-2-furaldehyde with monosubstituted benzenecarboxylic acid hydrazides in ethanol a group of the new hydrazones was prepared: [5-(2-nitrophenyl)- 2-furfurylidene]benzoylhydrazone; [5-(2-nitrophenyl)-2-furfurylidene]-4'-methylbenzoylhydrazone; [5-(2-nitrophenyl)-2-furfurylidene]-4/-hydroxybenzoylhydrazone; [5-(2-nitrophenyl)-2-furfurylidene]-2/-hydroxybenzoylhydrazone; [5-(2-nitrophenyl)-2-furfurylidene]-4/-chlorobenzoylhydrazone; [5-(2-nitrophenyl)-2-furfurylidene]-4'-bromobenzoylhydrazone; [5-(2-nitrophenyl)-2-furfurylidene]-4'-iodobenzoylhydrazone; [5-(2-nitrophenyl)-2-furfurylidene]-4'-nitrobenzoylhydrazone. The synthesis of the title compounds is described and their absorption spectra are interpreted. The ultra-violet and infra-red spectral data of the compounds synthetised were compared with those of [5-(3-nitrophenyl)-2-furfurylidene]benzoylhydrazones and [o-(4-nitrophenyl)-2-fitrfurylidene]benzoylhydrazones described previously in this journal.

Full paper in Portable Document Format: 226a447.pdf (in Slovak)

 

Chemical Papers 22 (6) 447–451 (1968)

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