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Dimethylformamide → 2-Fluoro-4-(1-(2-(7-methoxyquinolin-4-yloxy)ethyl)-6-oxo-1,6-dihydropyridazin-3-yl)benzoic acid

HRID 1878778
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HRID 1878778 반응식
Cl[C:2]1[CH:3]=[CH:4][C:5](=[O:23])[N:6]([CH2:8][CH2:9][O:10][C:11]2[C:20]3[C:15](=[CH:16][C:17]([O:21][CH3:22])=[CH:18][CH:19]=3)[N:14]=[CH:13][CH:12]=2)[N:7]=1.Br[C:25]1[CH:33]=[CH:32][C:28]([C:29]([OH:31])=[O:30])=[C:27]([F:34])[CH:26]=1.C(=O)([O-])[O-].[Na+].[Na+].CN(C=O)C>Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.O>[F:34][C:27]1[CH:26]=[C:25]([C:2]2[CH:3]=[CH:4][C:5](=[O:23])[N:6]([CH2:8][CH2:9][O:10][C:11]3[C:20]4[C:15](=[CH:16][C:17]([O:21][CH3:22])=[CH:18][CH:19]=4)[N:14]=[CH:13][CH:12]=3)[N:7]=2)[CH:33]=[CH:32][C:28]=1[C:29]([OH:31])=[O:30]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 6228DimethylformamideHCID 10340Sodium CarbonateHCID 3026814-Bromo-2-fluorobenzoic acidHCID 598430126-chloro-2-(2-(7-methoxyquinolin-4-yloxy)ethyl)pyridazin-3(2H)-one

생성물 1

HCID 598430892-Fluoro-4-(1-(2-(7-methoxyquinolin-4-yloxy)ethyl)-6-oxo-1,6-dihydropyridazin-3-yl)benzoic acid수율 65.1%

시약·촉매·용매 2

HCID 178418476HCID 178418476, 화합물촉매
HCID 962Water용매

실험 절차

To a 5 ml CEM microwave tube was added 6-chloro-2-(2-(7-methoxyquinolin-4-yloxy)ethyl)pyridazin-3(2H)-one (0.1 g, 0.3 mmol), 4-bromo-2-fluorobenzoic acid (0.08 g, 0.5 mmol), sodium carbonate (0.10 g, 0.9 mmol), dichlorobis(triphenylphosphine)-palladium(II) (30 mg, 0.05 mmol), and DMF (4 mL)-water (0.4 mL). The vial was sealed and placed in CEM microwave for 20 min at 130° C., with 100 Watts of power via Powermax. The reaction mixture was extracted with EtOAc (3×10 mL). The combined organic layers were dried over MgSO4 and concentrated (toluene was added in order to removed most of DMF). The crude product was purified using SiO2 chromatography (Teledyne Isco RediSep®, P/N 68-2203-026, 12 g SiO2, isocratic 5% MeOH in DCM with 1% AcOH, Flow=30 mL/min). The peak at 30 min was collected to afford the desired product as white solid (85 mg). MS (ESI pos. ion) m/z (M+1): 436.2. Calc'd exact mass for C23H18FN3O5: 357.41. 1H NMR (300 MHz, DMSO-d6) δ ppm 3.86 (s, 3 H) 4.70 (s, 4 H) 6.96-7.04 (m, 2 H) 7.13 (d, J=9.79 Hz, 1 H) 7.25-7.30 (m, 1 H) 7.69-7.73 (m, 1 H) 7.75 (s, 1 H) 7.86 (s, 1 H) 7.87-7.95 (m, 2 H) 8.12 (d, J=9.79 Hz, 1 H) 8.64 (d, J=5.26 Hz, 1 H).

후처리

  1. customThe vial was sealed
  2. extractionThe reaction mixture was extracted with EtOAc (3×10 mL)
  3. dry with materialThe combined organic layers were dried over MgSO4
  4. concentrationconcentrated
  5. addition(toluene was added in order to removed most of DMF)
  6. customThe crude product was purified
  7. customThe peak at 30 min was collected

출처 및 근거

ORD 기록
ord-35d922f443054a80acefd589d1df3db5
출처 데이터셋
uspto-grants-2012_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08314087B2

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