反应详情

温度

70 °C

A mixture of methyl 5-(4-chlorophenyl)-3-(dimethylaminomethyleneamino)thiophene-2-carboxylate (0.2 g), 2-[4-(1-piperidin-1-ylethyl)phenyl]ethanamine dihydrochloride (0.19 g), N,N-diisopropylethylamine (0.20 g) and ethanol (4 ml) were stirred at 70° C. for 3 hr. The reaction mixture was allowed to cool, ethyl acetate was added, and the precipitate was collected by filtration to give the title compound (186 mg) as a colorless powder.

1. temperatureto cool
2. filtrationthe precipitate was collected by filtration