反应详情

A solution of 1.35 g. (0.006 m) of 2-(p-fluorobenzoyl)-3-dimethylaminocrotononitrile in a mixture of 15 ml. methanol and 8 ml. of 1 N HCl was heated on the steam bath in an open beaker for 45 minutes. Upon cooling in an ice bath, a solid formed, was collected, and then recrystallized from cyclohexane-petroleum ether with charcoal treatment, giving 0.7 g. (64%) of light pinkish crystals, m.p. 65°-67° C.

1. temperatureUpon cooling in an ice bath
2. customa solid formed
3. customwas collected
4. customrecrystallized from cyclohexane-petroleum ether with charcoal treatment
5. customgiving 0.7 g