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Pyridine → N-(3-(5-(3,5-dichlorophenyl)-4,5-dihydro-5-trifluoromethyl-3-isoxazolyl)phenyl)-4-cyanobenzamide

HRID 1958655
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1958655
[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]([C:33]1[CH:41]=[CH:40][C:36]([C:37](Cl)=[O:38])=[CH:35][CH:34]=1)#[N:32].C(=O)([O-])O.[Na+]>O1CCCC1>[C:31]([C:33]1[CH:41]=[CH:40][C:36]([C:37]([NH:20][C:16]2[CH:17]=[CH:18][CH:19]=[C:14]([C:11]3[CH2:10][C:9]([C:4]4[CH:5]=[C:6]([Cl:8])[CH:7]=[C:2]([Cl:1])[CH:3]=4)([C:21]([F:22])([F:24])[F:23])[O:13][N:12]=3)[CH:15]=2)=[O:38])=[CH:35][CH:34]=1)#[N:32]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 1049PyridineHCID 801724-Cyanobenzoyl chlorideHCID 516892Sodium BicarbonateHCID 593556813-(5-(3,5-Dichlorophenyl)-4,5-dihydro-5-trifluoromethyl-3-isoxazolyl)aniline

Produkt 1

HCID 59549496N-(3-(5-(3,5-dichlorophenyl)-4,5-dihydro-5-trifluoromethyl-3-isoxazolyl)phenyl)-4-cyanobenzamideAusbeute 85 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

To a solution of 3-[5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-3-yl]-phenylamine (0.300 mg, 0.79 mmol) (Example I3) in tetrahydrofuran (4 ml) was added pyridine (0.128 ml, 1.59 mmol). 4-Cyano-benzoyl chloride (0.176 g, 1 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) 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 column chromatography on silica gel (eluent: cyclohexane/ethyl acetate 2:1) to give Compound No. A4 of Table A (0.342 g, 85% yield). 1H-NMR (400 MHz, CDCl3): 8.68 (s, 1H), 8.10 (s, 1H), 8.0 (m, 2H), 7.75 (m, 3H), 7.49 (s, 2H), 7.42 (m, 3H), 4.12 (d, 1H), 3.72 (d, 1H).

Aufarbeitung

  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 column chromatography on silica gel (eluent: cyclohexane/ethyl acetate 2:1)
  7. customto give Compound No

Quellen und Nachweise

ORD-Eintrag
ord-c811bb928bd24ad6a7654a9d5e9e5c21
Quelldatensatz
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08410145B2

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