Benzoic acid, 4-amino-, 1,1-dimethylethyl ester → tert-Butyl 4-[(2-{4-[5-chloro-2-(difluoromethoxy)phenyl]-5-methoxy-2-oxopyridin-1(2H)-yl}propanoyl)amino]benzoate

HRID 56846Notes

Reaction equation

HRID 56846 reaction equation
[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([O:22][CH:23]([F:25])[F:24])=[C:6]([C:8]2[C:13]([O:14][CH3:15])=[CH:12][N:11]([CH:16]([CH3:20])[C:17](O)=[O:18])[C:10](=[O:21])[CH:9]=2)[CH:7]=1.[NH2:26][C:27]1[CH:39]=[CH:38][C:30]([C:31]([O:33][C:34]([CH3:37])([CH3:36])[CH3:35])=[O:32])=[CH:29][CH:28]=1>>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([O:22][CH:23]([F:24])[F:25])=[C:6]([C:8]2[C:13]([O:14][CH3:15])=[CH:12][N:11]([CH:16]([CH3:20])[C:17]([NH:26][C:27]3[CH:39]=[CH:38][C:30]([C:31]([O:33][C:34]([CH3:35])([CH3:36])[CH3:37])=[O:32])=[CH:29][CH:28]=3)=[O:18])[C:10](=[O:21])[CH:9]=2)[CH:7]=1

Participants

3

Reactant 2

HCID 233272Benzoic acid, 4-amino-, 1,1-dimethylethyl esterHCID 1176227032-{4-[5-Chloro-2-(difluoromethoxy)phenyl]-5-methoxy-2-oxopyridin-1(2H)-yl}propanoic acid

Product 1

HCID 117622889tert-Butyl 4-[(2-{4-[5-chloro-2-(difluoromethoxy)phenyl]-5-methoxy-2-oxopyridin-1(2H)-yl}propanoyl)amino]benzoate

Procedure

220 mg of crude product of 2-{4-[5-chloro-2-(difluoromethoxy)phenyl]-5-methoxy-2-oxopyridin-1(2H)-yl}propanoic acid (racemate) and 89 mg (0.46 mmol, 1.1 eq.) of tert-butyl 4-aminobenzoate were reacted according to General Method 5A. Yield: 48 mg (21% of theory)

Sources & evidence

ORD record
ord-7f2efeafcd614db697a1c2f666f0053d
Source dataset
uspto-grants-2016_09
Patent number
US09434690B2

Reaction notes

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