反应详情

Under a nitrogen atmosphere, react 4-chlorobenzaldehyde (14.0 g) and cyclopropylamine (5.7 g) in anhydrous toluene (50 mL) in the presence of molecular sieves for 48 h. Filter the reaction mixture and concentrate the filtrate in vacuo at 60 C to give 4-chlorobenzylidene cyclopropylamine (By as a crystalline solid (15.98 g).

1. filtrationFilter the reaction mixture
2. concentrationconcentrate the filtrate in vacuo at 60 C