Dimethylformamide → HCID 18551166, compound
Reaction equation
C([O:3][C:4](=[O:24])[C:5]([OH:23])([C:19]([F:22])([F:21])[F:20])[CH2:6][C:7]([C:10]1[CH:15]=[CH:14][C:13](Br)=[CH:12][C:11]=1[O:17][CH3:18])([CH3:9])[CH3:8])C.[CH3:25][N:26](C)C=O>[C-]#N.[Zn+2].[C-]#N>[C:25]([C:13]1[CH:14]=[CH:15][C:10]([C:7]([CH3:8])([CH3:9])[CH2:6][C:5]([OH:23])([C:19]([F:22])([F:20])[F:21])[C:4]([OH:3])=[O:24])=[C:11]([O:17][CH3:18])[CH:12]=1)#[N:26]Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
From 4-(4-bromo-2-methoxyphenyl)-2-hydroxy-4-methyl-2-trifluoromethyl-valeric acid ethyl ester, zinc cyanide and tetrakis-triphenylphosphine-palladium in dimethylformamide at 140° C. After saponification, the title acid is obtained as an amorphous powder.
Workup
- customat 140° C
Sources & evidence
- ORD record
- ord-61406f0baeb44ad3817e7fcf8584b959
- Source dataset
- uspto-grants-2002_02
- Patent number
- US06344454B1
Reaction notes
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