[2-methyl-5-(4-trifluoromethoxy-phenyl)-2H-pyrazol-3-yl]-acetic acid → 2-[2-methyl-5-(4-trifluoromethoxy-phenyl)-2H-pyrazol-3-yl]-ethanol

HRID 915467Notes

Reaction equation

HRID 915467 reaction equation
[CH3:1][N:2]1[C:6]([CH2:7][C:8](O)=[O:9])=[CH:5][C:4]([C:11]2[CH:16]=[CH:15][C:14]([O:17][C:18]([F:21])([F:20])[F:19])=[CH:13][CH:12]=2)=[N:3]1>O1CCCC1>[CH3:1][N:2]1[C:6]([CH2:7][CH2:8][OH:9])=[CH:5][C:4]([C:11]2[CH:16]=[CH:15][C:14]([O:17][C:18]([F:19])([F:20])[F:21])=[CH:13][CH:12]=2)=[N:3]1

Participants

3

Reactant 1

HCID 67404748[2-methyl-5-(4-trifluoromethoxy-phenyl)-2H-pyrazol-3-yl]-acetic acid

Product 1

HCID 674026162-[2-methyl-5-(4-trifluoromethoxy-phenyl)-2H-pyrazol-3-yl]-ethanol

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent2×

Procedure

In analogy to the procedure described for example 9 c], [2-methyl-5-(4-trifluoromethoxy-phenyl)-2H-pyrazol-3-yl]-acetic acid was reduced with a 1 M solution of BH3*THF in tetrahydrofuran to give 2-[2-methyl-5-(4-trifluoromethoxy-phenyl)-2H-pyrazol-3-yl]-ethanol as colorless crystals.

Sources & evidence

ORD record
ord-a105dbbda4c847c1a5c99669cde0c83e
Source dataset
uspto-grants-2007_09
Patent number
US07265149B2

Reaction notes

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