Aniline → 3-Phenylamino-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one

HRID 497844Notes

Reaction equation

Br[C:2]1[C:3](=[O:20])[N:4]([C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=2)[CH:5]=[C:6]([C:8]2[CH:13]=[CH:12][CH:11]=[CH:10][N:9]=2)[CH:7]=1.[NH2:21][C:22]1[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=1.CC(C)([O-])C.[Na+]>C1(C)C=CC=CC=1.C([O-])(=O)C.[Pd+2].C([O-])(=O)C.C1(P(C2C=CC=CC=2)[C-]2C=CC=C2)C=CC=CC=1.[C-]1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=C1.[Fe+2]>[C:22]1([NH:21][C:2]2[C:3](=[O:20])[N:4]([C:14]3[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=3)[CH:5]=[C:6]([C:8]3[CH:13]=[CH:12][CH:11]=[CH:10][N:9]=3)[CH:7]=2)[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=1

Participants

Conditions

Temperature: 110 °C

Procedure

53 mg of 3-bromo-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one and 23 mg of aniline were dissolved in 10 ml of toluene, to which 2 mg of palladium acetate, 7 mg of 1,1′-bis(diphenylphosphino)ferrocene and 23 mg of sodium tert-butoxide were added, and the mixture was stirred at 110° C. for a night. The reaction solution was cooled to room temperature, filtered by silica gel and washed with ether, and the filtrate was distilled under a vacuum to remove the solvent. The residue was refined by silica gel chromatography (NH silica) (hexane/ethyl acetate-based solvent), to obtain 47 mg of the subject compound.

Workup

additionwere added
temperatureThe reaction solution was cooled to room temperature
filtrationfiltered by silica gel
washwashed with ether
distillationthe filtrate was distilled under a vacuum
customto remove the solvent

Sources & evidence

ORD record: ord-07ae1e2b20be48979c33f39bc084da27
Source dataset: uspto-grants-2005_09
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US06949571B2

Reaction notes

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