Cesium carbonate → 4-({2-[4-(5-Chloro-2-cyanophenyl)-5-methoxy-2-oxopyridin-1(2H)-yl]-4-methoxybutanoyl}amino)benzoic acid

HRID 57005Notes

Reaction equation

HRID 57005 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]=1

Participants

4

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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