反应详情

187 g of benzoguanamine, 148 g of phthalic anhydride and 5 L of water were placed into the a flask provided with a stirrer and a reflux tube, and were continuously refluxed for 5 hours to form a crystal, which was then filtered out and dried to obtain benzoguanamine phthalate.

1. customprovided with a stirrer and a reflux tube
2. temperaturewere continuously refluxed for 5 hours
3. customto form a crystal, which
4. filtrationwas then filtered out
5. customdried