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4-(4-FLUORO-BENZYLOXY)-BENZOIC ACID synthesis

7synthesis methods
-

Yield:405-87-8 95%

Reaction Conditions:

with potassium hydroxide in ethanol;water; for 9 h;Reflux;

Steps:

13

Add 4-hydroxybenzoic acid (1.38g, 10mmol), potassium hydroxide (1.12g, 20mmol), ethanol (20mL), water (10mL) into a 100mL single-mouth flask, and add 4-fluorobenzyl bromide (3.78g, 20mmol) dropwise ), reflux for 9h. After the raw materials are completely reacted, add water (30mL), adjust the pH to 2.0 with concentrated hydrochloric acid, precipitate a solid, filter, wash with water, wash with n-hexane, and dry to obtain solid 4-fluorobenzyloxybenzoic acid (2.34g ), the yield is 95%.

References:

CN111995567,2020,A Location in patent:Paragraph 0160-0161; 0164