反应详情

To 2.0 g. of 2,3-dihydroimidazo[1,2-a]pyridine in 40 ml. of dry acetonitrile is added 3.42 g. of α-bromotoluene and the resulting mixture heated to reflux overnight. The solution is cooled to room temperature and treated with 30 ml. of diethyl ether. The precipitated solid is filtered and recrystallized from acetonitrile, 1.64 g., m.p. 143°-145° C.

1. temperatureto reflux overnight
2. additiontreated with 30 ml
3. filtrationThe precipitated solid is filtered
4. customrecrystallized from acetonitrile, 1.64 g