反应详情

A suspension of 5-hydroxy-8-methyl-6-(2-propenyl) carbostyril (64.57 g) in chloroform (2000 ml) was combined with N-bromosuccinimide (56.47 g) and refluxed with heat for 3 hours while stirring. The reaction mixture became yellow uniform solution. The reaction solution was washed with water, dried and condensed. n-Hexane was added to the concentrate, and crystallized. 91.40 g of the title compound was obtained as white powder.

1. temperaturerefluxed
2. temperaturewith heat for 3 hours
3. washThe reaction solution was washed with water
4. customdried
5. customcondensed
6. customcrystallized