Cesium carbonate → HCID 71584877, compound
Reaction equation
Cl[C:2]1[CH:11]=[C:10]2[C:5]([CH:6]=[C:7]([C:15]3[C:16]([CH3:34])=[CH:17][C:18]([F:33])=[C:19]([NH:21][C:22]([NH:24][C:25]4[CH:30]=[C:29]([F:31])[CH:28]=[C:27]([F:32])[CH:26]=4)=[O:23])[CH:20]=3)[C:8](=[O:14])[N:9]2[CH2:12][CH3:13])=[CH:4][N:3]=1.C([O-])([O-])=O.[Cs+].[Cs+].[CH3:41][N:42]([CH3:46])[C:43]([NH2:45])=[O:44].CC1(C)C2C(=C(P(C3C=CC=CC=3)C3C=CC=CC=3)C=CC=2)OC2C(P(C3C=CC=CC=3)C3C=CC=CC=3)=CC=CC1=2>O1CCOCC1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd].CN(C=O)C.CCOC(C)=O.O>[F:32][C:27]1[CH:26]=[C:25]([NH:24][C:22](=[O:23])[NH:21][C:19]2[C:18]([F:33])=[CH:17][C:16]([CH3:34])=[C:15]([C:7]3[C:8](=[O:14])[N:9]([CH2:12][CH3:13])[C:10]4[C:5]([CH:6]=3)=[CH:4][N:3]=[C:2]([NH:45][C:43](=[O:44])[N:42]([CH3:46])[CH3:41])[CH:11]=4)[CH:20]=2)[CH:30]=[C:29]([F:31])[CH:28]=1Participants
Reactant 4
Product 1
Reagents, catalysts & solvents 5
Conditions
- Temperature
- 100 °C
Procedure
A mixture of 1-(5-(7-chloro-1-ethyl-2-oxo-1,2-dihydro-1,6-naphthyridin-3-yl)-2-fluoro-4-methylphenyl)-3-(3,5-difluorophenyl)urea (287 mg, 0.589 mmol), Cs2CO3 (576 mg, 1.768 mmol), N,N-dimethylurea (260 mg, 2.95 mmol) and Xantphos (102 mg, 0.177 mmol) in dioxane (5 mL) was sparged with Ar, treated with Pd2(dba)3 (81 mg, 0.088 mmol) and heated at 100° C. overnight. The mixture was cooled to RT, treated with water, EtOAc and DMF and the solids removed via filtration through diatomaceous earth. The layers of the filtrate were separated, the organic layer washed with brine, dried over Na2SO4, concentrated to dryness and purified via reverse-phase chromatography (MeCN/H2O with 0.1% TFA). The organics were removed under reduced pressure, the aqueous residue treated with satd. NaHCO3 and stirred overnight. The resulting solid was collected via filtration and dried to afford 3-(3-(5-(3-(3,5-difluorophenyl)ureido)-4-fluoro-2-methylphenyl)-1-ethyl-2-oxo-1,2-dihydro-1,6-naphthyridin-7-yl)-1,1-dimethylurea (18 mg, 5% yield). 1H NMR (400 MHz, DMSO-d6): δ 9.41 (s, 1H), 9.17 (s, 1H), 8.65 (m, 2H), 8.01 (s, 1H), 7.90 (d, J=8.3 Hz, 1H), 7.86 (s, 1H), 7.20-7.11 (m, 3H), 6.78 (m, 1H), 4.18 (q, J=7.1 Hz, 2H), 2.97 (s, 6H), 2.08 (s, 3H), 1.24 (t, J=7.1 Hz, 3H); MS (ESI) m/z: 539.2 [M+H]+.
Workup
- customwas sparged with Ar
- temperatureThe mixture was cooled to RT
- customthe solids removed via filtration through diatomaceous earth
- customThe layers of the filtrate were separated
- washthe organic layer washed with brine
- dry with materialdried over Na2SO4
- concentrationconcentrated to dryness
- custompurified via reverse-phase chromatography (MeCN/H2O with 0.1% TFA)
- customThe organics were removed under reduced pressure
- additionthe aqueous residue treated with satd
- filtrationThe resulting solid was collected via filtration
- customdried
Sources & evidence
- ORD record
- ord-da0c2219fdc042a5aca63c4903c6bcad
- Source dataset
- uspto-grants-2013_06
- Patent number
- US08461179B1
Reaction notes
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