Water → HCID 136167052, compound

HRID 1617452Notes

Reaction equation

Br[C:2]1[CH:7]=[CH:6][C:5]([CH:8]([C:19]2[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=2)[CH2:9]/[C:10](/[C:13]2[CH:18]=[CH:17][N:16]=[CH:15][CH:14]=2)=[N:11]\[OH:12])=[CH:4][CH:3]=1.[CH3:25][S:26]([C:29]1[CH:30]=[C:31](B(O)O)[CH:32]=[CH:33][CH:34]=1)(=[O:28])=[O:27].C(=O)([O-])[O-].[K+].[K+].O>COCCOC>[CH3:25][S:26]([C:29]1[CH:34]=[C:33]([C:2]2[CH:7]=[CH:6][C:5]([CH:8]([C:19]3[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=3)[CH2:9]/[C:10](/[C:13]3[CH:18]=[CH:17][N:16]=[CH:15][CH:14]=3)=[N:11]\[OH:12])=[CH:4][CH:3]=2)[CH:32]=[CH:31][CH:30]=1)(=[O:28])=[O:27]

Participants

Conditions

Temperature: 80 °C

Procedure

To a stirred solution of (E)-3-(4-bromo-phenyl)-3-phenyl-1-pyridin-4-yl-propan-1-one oxime (example 5, 10 mg), (3-methylsulfonylphenyl)boronic acid (58 mg), tetrakis-(triphenylphosphine)palladium (0) (30 mg) in 1,2-dimethoxyethane (2 mL) was added potassium carbonate (90 mg). The mixture was stirred at 80° C. overnight. Water was added, the phases were separated and the inorganic one was extracted with diethyl ether (2×). The combined organic layers were washed with brine, dried over Na2SO4, filtered and concentrated in vacuo. The crude product was purified by flash chromatography on silica gel (EtOAc/n-heptane 2:1 to EtOAc) to yield (E)-3-(3′-methanesulfonyl-biphenyl-4-yl)-3-phenyl-1-pyridin-4-yl-propan-1-one oxime (21 mg, 18%) as a light yellow foam, MS (ESI+): m/z=457.2 ([M+H]+).

Workup

customthe phases were separated
extractionthe inorganic one was extracted with diethyl ether (2×)
washThe combined organic layers were washed with brine
dry with materialdried over Na2SO4
filtrationfiltered
concentrationconcentrated in vacuo
customThe crude product was purified by flash chromatography on silica gel (EtOAc/n-heptane 2:1 to EtOAc)

Sources & evidence

ORD record: ord-2cfe0e183d364967b1781ed0ada05279
Source dataset: uspto-grants-2014_07
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08765730B2

Reaction notes

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