Preparation of 3-hydroxyanthranizoic acid hydrochloride_Kain Industrial Additive

overview[1][2] 3-hydroxyanthranilic hydrochloride is an amino compound and can be used as a pharmaceutical synthesis intermediate. structure preparation[1-2] method 1: 3-hydroxyanthranilic hydrochloride is prepared as follows: add 6.0g 85.3% h3po4 to a 100ml three-neck flask equipped with a mechanical stirrer, nitrogen outlet and oil bubbler. cool to 0°c in an ice bath. to this solution…