Cesium carbonate → 4-({2-[4-(5-Chloro-2-cyanophenyl)-5-methoxy-2-oxopyridin-1(2H)-yl]-4-methoxybutanoyl}amino)benzoic acid
Reaction equation
[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([C:36]#[N:37])=[C:6]([C:8]2[C:13]([O:14][CH3:15])=[CH:12][N:11]([CH:16]([CH2:31][CH2:32][O:33][CH3:34])[C:17]([NH:19][C:20]3[CH:30]=[CH:29][C:23]([C:24]([O:26]CC)=[O:25])=[CH:22][CH:21]=3)=[O:18])[C:10](=[O:35])[CH:9]=2)[CH:7]=1.C(=O)([O-])[O-].[Cs+].[Cs+]>CO.O>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([C:36]#[N:37])=[C:6]([C:8]2[C:13]([O:14][CH3:15])=[CH:12][N:11]([CH:16]([CH2:31][CH2:32][O:33][CH3:34])[C:17]([NH:19][C:20]3[CH:30]=[CH:29][C:23]([C:24]([OH:26])=[O:25])=[CH:22][CH:21]=3)=[O:18])[C:10](=[O:35])[CH:9]=2)[CH:7]=1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
1.80 g (3.40 mmol) of ethyl 4-({2-[4-(5-chloro-2-cyanophenyl)-5-methoxy-2-oxopyridin-1(2H)-yl]-4-methoxybutanoyl}amino)benzoate (racemate) in 45 ml of methanol/water (4/1) were reacted with 2.24 g (6.87 mmol) of caesium carbonate according to General Method 4, giving the title compound. Yield: 1.66 g (88% of theory)
Sources & evidence
- ORD record
- ord-8f0ab9a8117c4046b3ed3c3f7d22406c
- Source dataset
- uspto-grants-2016_09
- Patent number
- US09434690B2
Reaction notes
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