Benzothiophene-3-carboxaldehyde (1 mmol) was reacted with 4-bromophenyl hydrazine hydrochloride (1.2 mmol) in 20 ml of absolute ethanol in the presence of 0. : 109.38; 113.78; 123.00; 124.61; 125.05; 125.12; 128.53; 131.79; 131.87; 134.90; 135.62; 140.17; 144.63 (azomethine C) ; ESI MS m/z 331(M+,%100),333(M+2, %90).