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Trifluoroacetic acid → 5-Methyl-N-[5-methyl-6-(piperidin-4-yl)pyridin-3-yl]-1-[5-(trifluoromethyl)pyridin-2-yl]-1H-pyrazole-4-carboxamide

HRID 1748591
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1748591
C(OC([N:8]1[CH2:13][CH2:12][CH:11]([C:14]2[N:19]=[CH:18][C:17]([NH:20][C:21]([C:23]3[CH:24]=[N:25][N:26]([C:29]4[CH:34]=[CH:33][C:32]([C:35]([F:38])([F:37])[F:36])=[CH:31][N:30]=4)[C:27]=3[CH3:28])=[O:22])=[CH:16][C:15]=2[CH3:39])[CH2:10][CH2:9]1)=O)(C)(C)C.FC(F)(F)C(O)=O.[OH-].[Na+]>ClCCl>[CH3:28][C:27]1[N:26]([C:29]2[CH:34]=[CH:33][C:32]([C:35]([F:37])([F:38])[F:36])=[CH:31][N:30]=2)[N:25]=[CH:24][C:23]=1[C:21]([NH:20][C:17]1[CH:18]=[N:19][C:14]([CH:11]2[CH2:10][CH2:9][NH:8][CH2:13][CH2:12]2)=[C:15]([CH3:39])[CH:16]=1)=[O:22]
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Komponenten

5

Edukt 3

HCID 6422Trifluoroacetic acidHCID 14798Sodium HydroxideHCID 86692542N-[6-(1-tert-butyloxycarbonylpiperidin-4-yl)-5-methylpyridin-3-yl]-5-methyl-1-[5-(trifluoromethyl)pyridin-2-yl]-1H-pyrazole-4-carboxamide

Produkt 1

HCID 866925445-Methyl-N-[5-methyl-6-(piperidin-4-yl)pyridin-3-yl]-1-[5-(trifluoromethyl)pyridin-2-yl]-1H-pyrazole-4-carboxamideAusbeute 94,3 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

To N-[6-(1-tert-butyloxycarbonylpiperidin-4-yl)-5-methylpyridin-3-yl]-5-methyl-1-[5-(trifluoromethyl)pyridin-2-yl]-1H-pyrazole-4-carboxamide (7.0 g) were added dichloromethane (128 ml) and trifluoroacetic acid (26 ml), stirred at room temperature for 2 hours, and then to the reaction solution was added 4 N aqueous solution of sodium hydroxide under ice-cooling. The precipitated solid was washed with n-hexane and water, the obtained solid was dissolved in chloroform, water was added thereto, extracted with chloroform and ethyl acetate, dried over anhydrous sodium sulfate, and then the solvent was evaporated in vacuo. The precipitated solid was washed with ethyl acetate to give the titled compound (5.39 g) as a white solid.

Aufarbeitung

  1. temperaturecooling
  2. washThe precipitated solid was washed with n-hexane and water
  3. dissolutionthe obtained solid was dissolved in chloroform
  4. additionwater was added
  5. extractionextracted with chloroform and ethyl acetate
  6. dry with materialdried over anhydrous sodium sulfate
  7. customthe solvent was evaporated in vacuo
  8. washThe precipitated solid was washed with ethyl acetate

Quellen und Nachweise

ORD-Eintrag
ord-296ad2f0ee5941e49ace802801034000
Quelldatensatz
uspto-grants-2015_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09150555B2

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