Aluminium lithium hydride → [5-(4-fluoro-3-trifluoromethyl-phenyl)-2-methyl-2H-pyrazol-3-yl]-methanol
Reaction equation
C([O:3][C:4]([C:6]1[N:7]([CH3:22])[N:8]=[C:9]([C:11]2[CH:16]=[CH:15][C:14]([F:17])=[C:13]([C:18]([F:21])([F:20])[F:19])[CH:12]=2)[CH:10]=1)=O)C.[H-].[Al+3].[Li+].[H-].[H-].[H-]>>[F:17][C:14]1[CH:15]=[CH:16][C:11]([C:9]2[CH:10]=[C:6]([CH2:4][OH:3])[N:7]([CH3:22])[N:8]=2)=[CH:12][C:13]=1[C:18]([F:20])([F:19])[F:21]Participants
3
Procedure
In analogy to the procedure described for example 1 a], 5-(4-fluoro-3-trifluoromethyl-phenyl)-2-methyl-2H-pyrazole-3-carboxylic acid ethyl ester was reduced with lithium aluminium hydride to give [5-(4-fluoro-3-trifluoromethyl-phenyl)-2-methyl-2H-pyrazol-3-yl]-methanol as white solid.
Sources & evidence
- ORD record
- ord-8a544783573a4e45a43de7fdc6e14aa7
- Source dataset
- uspto-grants-2007_09
- Patent number
- US07265149B2
Reaction notes
Loading…