反应详情

A solution of 2-(3-aminopropyl)pyridine (2.72 g) and S-methylthiouronium sulphate (2.78 g) in water (40 ml) is heated under reflux for 28 hours. The product isolated by the manner described in Example 1 was recrystallized from methanol, yielding 3-(2-pyridyl)propylguanidine sulphate, m.p. 185°-187° C.

1. temperatureunder reflux for 28 hours
2. customThe product isolated by the manner
3. customwas recrystallized from methanol