Water → 5-(2-Methoxyethoxy)-3-(1-phenyl-1H-pyrazol-5-yl)-1-[3-(trifluoromethyl)phenyl]pyridazin-4(1H)-one

HRID 1805648노트

반응식

HRID 1805648 반응식
[OH:1][C:2]1[C:3](=[O:29])[C:4]([C:18]2[N:22]([C:23]3[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=3)[N:21]=[CH:20][CH:19]=2)=[N:5][N:6]([C:8]2[CH:13]=[CH:12][CH:11]=[C:10]([C:14]([F:17])([F:16])[F:15])[CH:9]=2)[CH:7]=1.[CH3:30][O:31][CH2:32][CH2:33]Br.C([O-])([O-])=O.[K+].[K+].O>CN(C=O)C>[CH3:30][O:31][CH2:32][CH2:33][O:1][C:2]1[C:3](=[O:29])[C:4]([C:18]2[N:22]([C:23]3[CH:24]=[CH:25][CH:26]=[CH:27][CH:28]=3)[N:21]=[CH:20][CH:19]=2)=[N:5][N:6]([C:8]2[CH:13]=[CH:12][CH:11]=[C:10]([C:14]([F:16])([F:15])[F:17])[CH:9]=2)[CH:7]=1

참가 물질

6

반응물 4

HCID 962WaterHCID 11430Potassium CarbonateHCID 809722-Bromoethyl methyl etherHCID 594362225-Hydroxy-3-(1-phenyl-1H-pyrazol-5-yl)-1-[3-(trifluoromethyl)phenyl]pyridazin-4(1H)-one

생성물 1

HCID 580723065-(2-Methoxyethoxy)-3-(1-phenyl-1H-pyrazol-5-yl)-1-[3-(trifluoromethyl)phenyl]pyridazin-4(1H)-one수율 79%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

A suspension of 5-hydroxy-3-(1-phenyl-1H-pyrazol-5-yl)-1-[3-(trifluoromethyl)phenyl]pyridazin-4(1H)-one (100 mg, 0.25 mmol), 2-bromoethyl methyl ether (0.070 mL, 0.75 mmol), and K2CO3 (104 mg, 0.75 mmol) in DMF (1 mL) was stirred for 24 h at room temperature. The reaction mixture was poured into water and extracted with AcOEt. The extract was washed with brine, dried over MgSO4, and concentrated under reduced pressure. The residue was purified by basic silica gel column chromatography eluting with hexane/AcOEt (1/2) to give the title compound (89.9 mg, 79% yield) as a pale yellow amorphous solid: 1H NMR (300 MHz, CDCl3): δ ppm 3.45 (3H, s), 3.78-3.81 (2H, m), 4.42-4.44 (2H, m), 7.02 (1H, dd, J=1.9, 7.9 Hz), 7.20 (1H, s), 7.34-7.45 (7H, m), 7.55 (1H, d, J=7.9 Hz), 7.80 (1H, d, J=1.9 Hz), 8.29 (1H, s). LC-MS (ESI) m/z 457 [M+H]+. Anal. Calcd for C23H19F3N4O3.0.25H2O: C, 59.93; H, 4.26; N, 12.16. Found: C, 59.87; H, 4.09; N, 12.15.

후처리

  1. extractionextracted with AcOEt
  2. washThe extract was washed with brine
  3. dry with materialdried over MgSO4
  4. concentrationconcentrated under reduced pressure
  5. customThe residue was purified by basic silica gel column chromatography
  6. washeluting with hexane/AcOEt (1/2)

출처 및 근거

ORD 기록
ord-bfc554c507e84f40ba6cd20fc1760b7c
출처 데이터셋
uspto-grants-2013_01
특허 번호
US08354411B2

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