1214-24-0

3,6-Dihydroxy-xanthen-9-one is used in preparation method of Heterocyclic compounds and application in the preparation of Lanreotide.

The raw material 2,2',4,4'-tetrahydroxybenzophenone (5.0 g, 0.02 mol) was mixed with water (65 mL) in a mulled tank and reacted at 220 degrees Celsius for 6 hours, cooled down and filtered to obtain a solid, and then the solid was spun-dried under vacuum

4°C, stored under nitrogen