反应详情

A mixture of the compound (II) (12.0 g), 3,4,5,6-tetrahydrophthalic anhydride (7.56 g), triethylamine (9.42 g), acetic acid (0.75 g) and 1,2-dichloroethane (24 g) was heated under reflux for 8 hours. The reaction mixture was washed with water (24 g). The organic layer was separated and treated as in Example 4 to give the compound (I) (16.2 g).

1. temperaturewas heated
2. temperatureunder reflux for 8 hours
3. washThe reaction mixture was washed with water (24 g)
4. customThe organic layer was separated
5. additiontreated as in Example 4