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Furan derivatives. VIII. Azomethines of 5-nitro-2-furaldehyde with 5-aminobenzimidazoles

R. Kada, A. Jurášek, L. Ebringer, and T. Sticzay

Department of Organic Chemistry, Slovak Technical University, Bratislava

 

Abstract: By the reaction of 5-nitro-2-furaldehyde with 1-R and 1-R-2-methyl-5-aminobenzimidazoles in ethanol, the corresponding azomethines were prepared, where R = H, C6H5 , 4-CH3-C6H4 , 4-Cl-C6H4 , 4-Br-C6H4 , 4-l-C6H4 , 4-CH30-C6H4 , 4-C2H50-C6H4 , 4-C2H5S-C6H4 , 4-(C2H5)2N-C6H andC6H5-CH2 . Comparison of electron absorption spectra of both series of substances showed that the substitution of hydrogen by a methyl group in position 2 of benzimidazole does not result in any modification of their electron spectrum.

Full paper in Portable Document Format: 223a220.pdf (in Slovak)

 

Chemical Papers 22 (3) 220–224 (1968)

Thursday, May 23, 2024

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