反应详情

Add bit by bit 0.3 g (7.5 mmol) of sodium borohydride to a suspension of 1.94 g (7 mmol) of 9-phenacyl-2,3-dihydroimidazo[1,2-a]benzimidazole in 15 ml of methanol over a period of thirty minutes at room temperature. Continue stirring for a further four hours and leave until the next day. Add 10 ml of 10% hydrochloric acid until a pH of 2-3 is obtained and evaporate the methanol. Treat the residue with a solution of ammonium hydroxide and extract with chloroform. Recrystallise from ethanol the residue from extraction.

1. customleave until the next day
2. customis obtained
3. customevaporate the methanol
4. additionTreat the residue with a solution of ammonium hydroxide
5. extractionextract with chloroform
6. customRecrystallise from ethanol the residue
7. extractionfrom extraction