4-(3'-Fluoro-biphenyl-4-yl)-4-oxo-butyric acid methyl ester → 4-(3'-Fluoro-biphenyl-4-yl)-4-oxo-butyric acid
Reaction equation
[F:1][C:2]1[CH:3]=[C:4]([C:8]2[CH:13]=[CH:12][C:11]([C:14](=[O:21])[CH2:15][CH2:16][C:17]([O:19]C)=[O:18])=[CH:10][CH:9]=2)[CH:5]=[CH:6][CH:7]=1>Cl>[F:1][C:2]1[CH:3]=[C:4]([C:8]2[CH:13]=[CH:12][C:11]([C:14](=[O:21])[CH2:15][CH2:16][C:17]([OH:19])=[O:18])=[CH:10][CH:9]=2)[CH:5]=[CH:6][CH:7]=1Participants
3
Reactant 1
Product 1
Reagents, catalysts & solvents 1
Procedure
In a manner similar to Example 4, Step (b), 4-(3′-fluoro-biphenyl-4-yl)-4-oxo-butyric acid, methyl ester (1.0968 g, 0.00383 mol) was refluxed in 6 M aqueous hydrochloric acid (20 mL) to give 1.007 g of 4-(3′-fluoro-biphenyl-4-yl)-4-oxo-butyric acid as a pale orange solid; mp 153-155° C.
Sources & evidence
- ORD record
- ord-bd6ad08e1711475b8936d8cf07ab9671
- Source dataset
- uspto-grants-2001_05
- Patent number
- US06239288B1
Reaction notes
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