Tetrabutylammonium Fluoride → [2,4-dimethyl-5-(4-trifluoromethyl-phenyl)-2H-pyrazol-3-yl]-methanol

HRID 915424Notes

Reaction equation

HRID 915424 reaction equation
C([SiH2][O:6][C:7](C)(C)[C:8]1[N:12]([CH3:13])[N:11]=[C:10]([C:14]2[CH:19]=[CH:18][C:17]([C:20]([F:23])([F:22])[F:21])=[CH:16][CH:15]=2)[C:9]=1[CH3:24])(C)(C)C.[F-].C([N+](CCCC)(CCCC)CCCC)CCC>C1COCC1>[CH3:13][N:12]1[C:8]([CH2:7][OH:6])=[C:9]([CH3:24])[C:10]([C:14]2[CH:19]=[CH:18][C:17]([C:20]([F:21])([F:23])[F:22])=[CH:16][CH:15]=2)=[N:11]1

Participants

4

Reactant 2

HCID 2724141Tetrabutylammonium FluorideHCID 1317265835-(tert-butyl-dimethyl-silanyloxymethyl)-1,4-dimethyl-3-(4-trifluoromethyl-phenyl)-1H-pyrazole

Product 1

HCID 69283865[2,4-dimethyl-5-(4-trifluoromethyl-phenyl)-2H-pyrazol-3-yl]-methanol

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

In analogy to the procedure described for example 2 e], 5-(tert-butyl-dimethyl-silanyloxymethyl)-1,4-dimethyl-3-(4-trifluoromethyl-phenyl)-1H-pyrazole was treated with tetrabutylammonium fluoride in THF to yield [2,4-dimethyl-5-(4-trifluoromethyl-phenyl)-2H-pyrazol-3-yl]-methanol as yellow oil.

Sources & evidence

ORD record
ord-7c9a5e5631684c24b68c23c99c063ab3
Source dataset
uspto-grants-2007_09
Patent number
US07265149B2

Reaction notes

Loading…