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ChemicalBook CAS DataBase List PHENYL 3-HYDROXY-2-NAPHTHOATE
7260-11-9

PHENYL 3-HYDROXY-2-NAPHTHOATE synthesis

1synthesis methods
-

Yield:7260-11-9 92.3%

Reaction Conditions:

with N-[3-(N,N-dimethylamino)-propyl]-N'-ethyl-carbodiimide hydrochloride in dimethyl sulfoxide; for 5 h;Reflux;

Steps:

1-6 Example 3

In the reaction vessel, install a stirrer, a thermometer, and a reflux condenser, add 4.0 mol of dimethyl sulfoxide, 1.0 mol of 2-hydroxy-3-naphthoic acid, 1.20 mol of phenol, and 1-(3-dimethylaminopropyl) -3-Ethylcarbodiimide hydrochloride (EDCI) 0.20mol, heated to reflux for 4h, evaporated the dimethyl sulfoxide solvent, then the solution was cooled to 7080, cooled and filtered, the filter cake was heated with heat The sodium bicarbonate solution was washed, washed with water until neutral, and dried to obtain 240.8 g of phenyl 3-hydroxy-2-naphthoate as a solid product (yield 91.1%, purity 98.7%).

References:

CN114014756,2022,A Location in patent:Paragraph 0006; 0015-0026

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