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Furan derivatives. LIX. 1,1,2-Trisubstituted ethylenes of 5-nitrofuran series

M. Hrdina, A. Jurášek, and R. Frimm

Research Institute of Drugs, 920 01 Hlohovec

 

Abstract:  Synthesis of 1-(o-nitro-2-furyl)-1-(4-acetamidophenylsulfonyl)-2-(5-X-furyl)ethylenes (X = H, CH3, Br, I, CI, N02, SCH3, and COOCH3) by direct condensation of 5-nitrofurfuryl 4-acetamidophenyl sulfone with 5-substituted furaldehydes is described. Acid hydrolysis of the product afforded 1-(5-nitro-2-furyl)-1-(4-aminophenylsulfonyl)-2-(5-X-furyl)ethylenes which gave 1-(o-nitro-2-furyl)-1-(4-isothiocyanatophenylsulfonyl)-2-(5-X-fur3d)ethylenes by reaction with thiophosgene.

Full paper in Portable Document Format: 283a418.pdf

 

Chemical Papers 28 (3) 418–424 (1974)

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