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Synthesis of azobenzo[b]thiophene derivatives and their dyeing performance on polyester fibre
Synthesis azobenzo[b]thiophene derivatives polyester fibre
2010/4/22
Ethyl 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate was synthesised by the reaction of cyclohexanone and sulphur with ethylcyanoacetate. The 2-aminothiophene derivative was diazotised and ...