反应详情

Into a one-liter three-necked conical flask are introduced in succession 60 g (565.39 mmol) of benzaldehyde, 77 g of dimethyl malonate (565.32 mmol), 3.85 g of piperidine (45.21 mmol), 130 ml of toluene and 2.71 g (45.16 mmol) of acetic acid.