Potassium Iodide → HCID 46896511, 화합물

HRID 449950노트

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HRID 449950 반응식
[N+:1](=[C:3]1[C:7]([C:8]2[CH:13]=[CH:12][CH:11]=[CH:10][C:9]=2[F:14])=[N:6][N:5]([C:15]2[CH:20]=[CH:19][CH:18]=[CH:17][C:16]=2[F:21])[C:4]1=[O:22])=[N-:2].C(P(CCCC)CCCC)CCC.Cl[CH2:37][C:38]1[CH:43]=[CH:42][C:41]([N:44]2[CH:48]=[CH:47][N:46]=[CH:45]2)=[CH:40][CH:39]=1.[I-].[K+].C(=O)([O-])[O-].[K+].[K+]>C(#N)C.O>[F:14][C:9]1[C:8]2[C:7]3[C:3]([C:4](=[O:22])[N:5]([C:15]4[CH:20]=[CH:19][CH:18]=[CH:17][C:16]=4[F:21])[N:6]=3)=[N:1][N:2]([CH2:37][C:38]3[CH:39]=[CH:40][C:41]([N:44]4[CH:48]=[CH:47][N:46]=[CH:45]4)=[CH:42][CH:43]=3)[C:13]=2[CH:12]=[CH:11][CH:10]=1

참가 물질

8

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HCID 4875Potassium IodideHCID 11430Potassium CarbonateHCID 13831TributylphosphineHCID 70638591-(4-(Chloromethyl)phenyl)-1H-imidazoleHCID 178514319HCID 178514319, 화합물

생성물 1

HCID 46896511HCID 46896511, 화합물

시약·촉매·용매 2

HCID 962Water용매HCID 6342Acetonitrile용매

실험 절차

4-Diazo-2,5-bis(2-fluorophenyl)-2,4-dihydro-3H-pyrazol-3-one (0.17 g, 0.56 mmol) was dissolved in acetonitrile (5 mL) and treated with tri-n-butylphosphine (0.11 g, 0.56 mmol, 1.0 equiv). After stirring for 30 minutes at ambient temperature, 1-[4-(chloromethyl)phenyl]-1H-imidazole (0.11 g, 0.56 mmol, 1.0 equiv), potassium iodide (47 mg, 0.28 mmol, 0.5 equiv) and potassium carbonate (97 mg, 0.70 mmol, 1.25 equiv) were added at ambient temperature. After 45 minutes, the reaction mixture was warmed to 85° C., stirred for 2.5 hours and then cooled to ambient temperature. The mixture was poured into water (100 mL), extracted with ethyl acetate (2×75 mL) and the combined organic extracts were dried with sodium sulfate, filtered and concentrated in vacuo. The residue was purified twice by silica gel gradient chromatography (100:0 to 0:100; hexanes:ethyl acetate containing 10% methanol; and then 100:0 to 90:10; dichloromethane:methanol containing 10% ammonium hydroxide), providing the titled compound as a deep red solid: 1H-NMR (400 MHz, CDCl3) δ 8.33 (1H, dd, J=7.6, 1.8 Hz), 7.85 (1H, br s), 7.67-7.53 (4H, m), 7.46 (2H, d, J=8.5 Hz), 7.40 (2H, d, J=8.5 Hz), 7.42-7.37 (1H, m), 7.31-7.20 (4H, m), 5.88 (2H, s) ppm; high resolution mass spectrometry (ES+) m/z 437.1526 [(M+H)+; calculated for C25H18FN6O: 437.1521].

후처리

  1. waitAfter 45 minutes
  2. temperaturethe reaction mixture was warmed to 85° C.
  3. stirringstirred for 2.5 hours
  4. temperaturecooled to ambient temperature
  5. extractionextracted with ethyl acetate (2×75 mL)
  6. dry with materialthe combined organic extracts were dried with sodium sulfate
  7. filtrationfiltered
  8. concentrationconcentrated in vacuo
  9. customThe residue was purified twice by silica gel gradient chromatography (100:0 to 0:100

출처 및 근거

ORD 기록
ord-cc8b7d46a1e74efc8bfd5773cfb0a979
출처 데이터셋
uspto-grants-2013_07
특허 번호
US08486946B2

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