反应详情

A solution of N-(2,2-dimethoxyethyl)-3,4-dimethoxy-phenylacetamide (600.6 g) in concentrated hydrochloric acid (3 liters) is mixed with glacial acetic acid (3 liters). After being left to stand for 17 hours at ambient temperature and mixture is poured onto ice. The crystals obtained are suction filtered, washed with water until neutral and dried.

1. waitAfter being left
2. additionmixture is poured onto ice
3. customThe crystals obtained
4. washwashed with water until neutral and
5. customdried