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Pyridine → Pentanoic acid {3-[5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-3-yl]-phenyl}-amide

HRID 1958656
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HRID 1958656 반응식
[Cl:1][C:2]1[CH:3]=[C:4]([C:9]2([C:21]([F:24])([F:23])[F:22])[O:13][N:12]=[C:11]([C:14]3[CH:15]=[C:16]([NH2:20])[CH:17]=[CH:18][CH:19]=3)[CH2:10]2)[CH:5]=[C:6]([Cl:8])[CH:7]=1.N1C=CC=CC=1.[C:31](Cl)(=[O:36])[CH2:32][CH2:33][CH2:34][CH3:35].C(=O)([O-])O.[Na+]>O1CCCC1.C(OCC)(=O)C>[Cl:1][C:2]1[CH:3]=[C:4]([C:9]2([C:21]([F:22])([F:24])[F:23])[O:13][N:12]=[C:11]([C:14]3[CH:15]=[C:16]([NH:20][C:31](=[O:36])[CH2:32][CH2:33][CH2:34][CH3:35])[CH:17]=[CH:18][CH:19]=3)[CH2:10]2)[CH:5]=[C:6]([Cl:8])[CH:7]=1
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참가 물질

7

반응물 4

HCID 1049PyridineHCID 61186Valeryl chlorideHCID 516892Sodium BicarbonateHCID 593556813-(5-(3,5-Dichlorophenyl)-4,5-dihydro-5-trifluoromethyl-3-isoxazolyl)aniline

생성물 1

HCID 59549498Pentanoic acid {3-[5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-3-yl]-phenyl}-amide수율 89%

시약·촉매·용매 2

HCID 8028Tetrahydrofuran용매
HCID 8857Ethyl Acetate용매

실험 절차

To a solution of 3-[5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-3-yl]-phenylamine (0.150 mg, 0.40 mmol) (Example I3) in tetrahydrofuran (4 ml) was added pyridine (0.085 ml, 1.06 mmol). Pentanoyl chloride (0.063 ml, 0.53 mmol) was added under vigorous stirring at ambient temperature. The reaction mixture was stirred for 3 hours at ambient temperature. Aqueous sodium hydrogen carbonate (saturated) and ethyl acetate was added and the phases were separated. The aqueous phase was extracted twice with ethyl acetate. The combined organic extracts were dried over sodium sulfate and concentrated. The residue was purified by chromatography on silica gel (eluent: cyclohexane/ethyl acetate 2:1) to give Compound No. A6 of Table A (0.165 g, 89% yield). 1H-NMR (400 MHz, CDCl3): 8.00 (s, 1H), 7.70 (s, 1H), 7.53 (d, 1H), 7.49 (s, 2H), 7.42 (m, 2H), 7.35 (m, 1H), 4.09 (d, 1H), 3.72 (d, 1H), 2.40 (t, 2H), 1.70 (m, 2H), 1.40 (m, 2H), 0.94 (t, 3H).

후처리

  1. stirringThe reaction mixture was stirred for 3 hours at ambient temperature
  2. customthe phases were separated
  3. extractionThe aqueous phase was extracted twice with ethyl acetate
  4. dry with materialThe combined organic extracts were dried over sodium sulfate
  5. concentrationconcentrated
  6. customThe residue was purified by chromatography on silica gel (eluent: cyclohexane/ethyl acetate 2:1)
  7. customto give Compound No

출처 및 근거

ORD 기록
ord-d28f820e057843af8d6c51f797bc50b9
출처 데이터셋
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08410145B2

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