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ChemicalBook CAS DataBase List (5-bromo-2-(trifluoromethoxy)phenyl)methanol

(5-bromo-2-(trifluoromethoxy)phenyl)methanol synthesis

2synthesis methods
403646-47-9 Synthesis
5-Bromo-2-(trifluoromethoxy)benzoic acid

403646-47-9
82 suppliers
$55.00/250mg

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Yield:685126-86-7 69%

Reaction Conditions:

with borane-THF in tetrahydrofuran at 0 - 70; for 18 h;

Steps:

1

To a solution of 5-bromo-2-trifluoromethoxy benzoic acid (2.2 g, 1.0 equiv) in THF (80 mL) at 0° C. under an atmosphere of nitrogen was added dropwise a solution of borane-THF (1.0 M in THF, 19.3 mL, 2.5 equiv). The solution was heated at 70° C. for 18 hr and then allowed to cool to room temperature and concentrated. The residue was dissolved in methanol and the solvent evaporated (2×). The crude product was purified by column chromatography (SiO2, 20% EtOAc in hexane) to give the desired benzylic alcohol (1.45 g, 69%).

References:

US2004/82779,2004,A1 Location in patent:Page 91