Y. Pin
2014
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Journal
Journal of Hubei University for Nationalities
Abstract
The Schiff base ethyl 2-( 2- hydroxybenzylideneamino)- 4,5,6,7- tetrahydrobenzo [b] thiophene- 3- carboxylate was synthesized by the condensation reaction of salicylaldehyde with ethyl 2-amino- 4,5,6,7- tetrahydrobenzo[b]thiophene- 3- carboxylate,which was efficiently prepared via a one- pot Gewald's three- component reaction using cyclohexanone,ethyl 2- cyanoacetate and elemental sulfur as starting materials. The structure of the new compound was confirmed by IR,1H NMR,MS and elemental analysis.