反应详情

4-Amidinobenzamide (commercially available one, 7.8 g) is dissolved in water (200 ml), and thereto is added conc. hydrochloric acid (200 ml), and the mixture is stirred at a temperature below 100° C. for 9 hours. The mixture is cooled, and the precipitated crystals are collected by filtration.

1. temperatureThe mixture is cooled
2. filtrationthe precipitated crystals are collected by filtration