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2-Fluoro-3-methoxyphenylacetic acid synthesis

7synthesis methods
-

Yield:863645-29-8 96.4%

Reaction Conditions:

with sodium hydroxide in ethanol;water at 40 - 100;

Steps:

5 Example 5

Compound V (40.2 g, 0.24 mmol), ethanol (200 mL),Water (200 mL), sodium hydroxide (29.2 g, 0.73 mol) was added, and the temperature was raised to 40-100 ° C until the reaction was completed. Concentrated ethanol, washed with methyl tert-butyl ether, lowered the temperature to 0 to 10 ° C, adjusted the pH to 3 to 4 with dilute hydrochloric acid, and filtered and dried to obtain a light brown solid.Compound VI (43.2 g, 96.4%).

References:

CN110759870,2020,A Location in patent:Paragraph 0092; 0119; 0128-0129