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Dimethylformamide → 4-[2-[3-fluoro-5-(4-methoxy-3,4,5,6-tetrahydro-2H-pyran-4-yl)phenoxy]-4-phenyl-5-oxazolyl]benzenesulfonamide

HRID 890871
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HRID 890871 반응식
Cl[C:2]1[O:3][C:4]([C:13]2[CH:18]=[CH:17][C:16]([S:19]([NH2:22])(=[O:21])=[O:20])=[CH:15][CH:14]=2)=[C:5]([C:7]2[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=2)[N:6]=1.CN(C=O)C.C(=O)([O-])[O-].[K+].[K+].[F:34][C:35]1[CH:36]=[C:37]([C:42]2([O:48][CH3:49])[CH2:47][CH2:46][O:45][CH2:44][CH2:43]2)[CH:38]=[C:39]([OH:41])[CH:40]=1>C(OCC)(=O)C>[F:34][C:35]1[CH:40]=[C:39]([CH:38]=[C:37]([C:42]2([O:48][CH3:49])[CH2:43][CH2:44][O:45][CH2:46][CH2:47]2)[CH:36]=1)[O:41][C:2]1[O:3][C:4]([C:13]2[CH:18]=[CH:17][C:16]([S:19]([NH2:22])(=[O:21])=[O:20])=[CH:15][CH:14]=2)=[C:5]([C:7]2[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=2)[N:6]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 6228DimethylformamideHCID 11430Potassium CarbonateHCID 117362763-Fluoro-5-(4-methoxytetrahydro-2H-pyran-4-yl)phenolHCID 222460994-(2-Chloro-4-phenyl-5-oxazolyl)benzenesulfonamide

생성물 1

HCID 129861264-[2-[3-fluoro-5-(4-methoxy-3,4,5,6-tetrahydro-2H-pyran-4-yl)phenoxy]-4-phenyl-5-oxazolyl]benzenesulfonamide수율 35%

시약·촉매·용매

1
HCID 8857Ethyl Acetate용매

실험 절차

4-[2-Chloro-4-phenyl-5-oxazolyl]benzenesulfonamide from Step 3 (0.74 g, 2.2 mmol), N,N′-dimethylformamide (DMF) (20 mL), potassium carbonate (0.61 g, 4.4 mmol), and 4-(3-fluoro-5-hydroxyphenyl)-4-methoxy-3,4,5,6-tetrahydro-2H-pyran [prepared as described by G. C. Crawley, et al, J. Med. Chem., 35, 2600–2609 (1992)] (0.75 g, 7.5 mmol) were stirred at room temperature for 16.0 hours. The solution was diluted with ethyl acetate (100 mL), washed with 1N HCl, brine and water, dried over MgSO4 and concentrated. The residue was dissolved in ethyl acetate/hexanes (1:1) and filtered through silica. The eluant was concentrated and the residue was recrystallized from ethyl acetate/hexanes to afford 4-[2-[3-fluoro-5-(4-methoxy-3,4,5,6-tetrahydro-2H-pyran-4-yl)phenoxy]-4-phenyl-5-oxazolyl]benzenesulfonamide as a white solid (0.4 g, 35%): mp 159–161° C. 1H NMR (CDCl3) 300 MHz δ 7.9 (d, J=8.7 Hz, 2H) 7.72 (d, J=8.7 Hz, 2H) 7.6 (m, 2H) 7.4 (m, 3H) 7.24–7.30 (m, 2H) 7.0–7.1 (dt, J=9.5 Hz and J=1.8 Hz, 1H) 4.85 (bs, 2H) 3.85 (dd, J=9.9 Hz and J=1.8 Hz, 4H) 3.05 (s, 3H) 2.0 (m, 4H). Anal. Calc'd. for C27H25N2O6SF: C, 61.82; H, 4.80; N, 5.34. Found: C, 61.77; H, 4.82; N, 4.31.

후처리

  1. washwashed with 1N HCl, brine and water
  2. dry with materialdried over MgSO4
  3. concentrationconcentrated
  4. dissolutionThe residue was dissolved in ethyl acetate/hexanes (1:1)
  5. filtrationfiltered through silica
  6. concentrationThe eluant was concentrated
  7. customthe residue was recrystallized from ethyl acetate/hexanes

출처 및 근거

ORD 기록
ord-75536377b85d46678a99e5d428545984
출처 데이터셋
uspto-grants-2006_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06998415B2

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