反应详情

A solution containing 13.5 g of 4-chloro-phenylglyoxal and 15.4 g of ethyl benzoylacetate in 100 ml of anhydrous benzene was heated at the boiling temperature in the presence of a catalytic amount of piperidine (0.3 ml), till complete azeotropic distillation of the water formed during the reaction (about 6 hours).

1. customformed during the reaction (about 6 hours)