反应详情

6-Amino-9-benzyl-2-(2-hydroxyethoxy)-8-methoxypurine (70 mg, 0.22 mmol) in concentrated hydrochloric acid (5 ml) was stirred at room temperature for 5 hours. The reaction mixture was neutralized with 28% aqueous ammonia and the resulting crystals were filtered and washed with water to give the subject compound (38 mg, yield 57%).

1. filtrationthe resulting crystals were filtered
2. washwashed with water