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Pyridine → 3-cyano-5-(4'-cyano-benzoylamino)-N-[2,6-dimethyl-4-(1,2,2,2-tetrafluoro-1-trifluoromethyl-ethyl)-phenyl]-benzamide

HRID 1943122
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Reaktionsgleichung

Reaktionsgleichung von HRID 1943122
[NH2:1][C:2]1[CH:3]=[C:4]([C:29]#[N:30])[CH:5]=[C:6]([CH:28]=1)[C:7]([NH:9][C:10]1[C:15]([CH3:16])=[CH:14][C:13]([C:17]([F:26])([C:22]([F:25])([F:24])[F:23])[C:18]([F:21])([F:20])[F:19])=[CH:12][C:11]=1[CH3:27])=[O:8].N1C=CC=CC=1.[C:37]([C:39]1[CH:47]=[CH:46][C:42]([C:43](Cl)=[O:44])=[CH:41][CH:40]=1)#[N:38].C(=O)([O-])O.[Na+]>O1CCCC1>[C:29]([C:4]1[CH:5]=[C:6]([CH:28]=[C:2]([NH:1][C:43](=[O:44])[C:42]2[CH:46]=[CH:47][C:39]([C:37]#[N:38])=[CH:40][CH:41]=2)[CH:3]=1)[C:7]([NH:9][C:10]1[C:11]([CH3:27])=[CH:12][C:13]([C:17]([F:26])([C:18]([F:19])([F:20])[F:21])[C:22]([F:23])([F:24])[F:25])=[CH:14][C:15]=1[CH3:16])=[O:8])#[N:30]
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Komponenten

6

Edukt 4

HCID 1049PyridineHCID 801724-Cyanobenzoyl chlorideHCID 516892Sodium BicarbonateHCID 592269545-amino-3-cyano-N-[2,6-dimethyl-4-(1,2,2,2-tetrafluoro-1-trifluoromethyl-ethyl)-phenyl]-benzamide

Produkt 1

HCID 866397603-cyano-5-(4'-cyano-benzoylamino)-N-[2,6-dimethyl-4-(1,2,2,2-tetrafluoro-1-trifluoromethyl-ethyl)-phenyl]-benzamide
Ausbeute 71,9 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

To a solution of 5-amino-3-cyano-N-[2,6-dimethyl-4-(1,2,2,2-tetrafluoro-1-trifluoromethyl-ethyl)-phenyl]-benzamide (0.199 mg, 0.46 mmol) (Example I9) in tetrahydrofuran (3 ml) were added successively pyridine (0.117 ml, 1.45 mmol) and 4-cyano-benzoyl chloride (80 mg, 0.48 mmol). The reaction mixture was stirred for 2 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. B1 of Table B (0.186 g, 71.9% yield). 1H-NMR (400 MHz, CHCl3): 8.45 (s, 1H), 8.36 (s, 1H), 8.27 (s, 1H), 8.00 (m, 3H), 7.84 (m, 2H), 7.63 (s, 1H), 7.37 (s, 2H), 2.34 (s, 6H) ppm.

Aufarbeitung

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

Quellen und Nachweise

ORD-Eintrag
ord-dfb3e581cdbb4238886872c4cfaea386
Quelldatensatz
uspto-grants-2013_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08389766B2

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