反应详情

43.4 g (43.3 mol) of ethyl acetoacetate and 33.7 g (43.3 mol) of dipropylamine were treated as described in preparation 1. The crude oil was distilled at 86°-89° C./ 0.8 mmHg, to give 44.3 g of the title compound.

1. customas described in preparation 1
2. distillationThe crude oil was distilled at 86°-89° C./ 0.8 mmHg