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ChemicalBook CAS DataBase List 4-(Trifluoromethoxy)benzoic acid
330-12-1

4-(Trifluoromethoxy)benzoic acid synthesis

5synthesis methods
-

Yield:330-12-1 98%

Reaction Conditions:

with sulfuric acid;water;acetic acid at 120;

Steps:

7.2
4-(Trifluoromethoxy)benzoic acid: To a solution of 4-(trifluoromethoxy)benzonitrile (4 g, 21.4 mmol) in acetic acid (12 mL) was added water (12 mL) and conc. H2SO4 (12 mL). The reaction mixture was heated overnight at 120° C. Water (100 mL) was added to the reaction mixture and the aqueous solution was extracted from EtOAc (3×100 mL). The combined organic solution was dried (Na2SO4) and concentrated in vacuo to afford the title compound (4.8 g, 98%) as a white solid.

References:

KALYPSYS, INC. US2007/270434, 2007, A1 Location in patent:Page/Page column 16-17

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