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(R)-3-[6-(2-methoxy-phenyl)-pyrimidin-4-ylcarbamoyl]-piperidine-1-carboxylic acid benzyl ester → (R)-piperidine-3-carboxylic acid [6-(2-methoxy-phenyl)-pyrimidin-4-yl]-amide

HRID 1020062
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1020062
C(OC([N:11]1[CH2:16][CH2:15][CH2:14][C@@H:13]([C:17](=[O:33])[NH:18][C:19]2[CH:24]=[C:23]([C:25]3[CH:30]=[CH:29][CH:28]=[CH:27][C:26]=3[O:31][CH3:32])[N:22]=[CH:21][N:20]=2)[CH2:12]1)=O)C1C=CC=CC=1>CO.[OH-].[Pd+2].[OH-]>[CH3:32][O:31][C:26]1[CH:27]=[CH:28][CH:29]=[CH:30][C:25]=1[C:23]1[N:22]=[CH:21][N:20]=[C:19]([NH:18][C:17]([C@@H:13]2[CH2:14][CH2:15][CH2:16][NH:11][CH2:12]2)=[O:33])[CH:24]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

4

Edukt 1

HCID 86645894(R)-3-[6-(2-methoxy-phenyl)-pyrimidin-4-ylcarbamoyl]-piperidine-1-carboxylic acid benzyl ester

Produkt 1

HCID 67185972(R)-piperidine-3-carboxylic acid [6-(2-methoxy-phenyl)-pyrimidin-4-yl]-amideAusbeute 72 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 9942167Palladium hydroxideKatalysatorHCID 887MethanolLösungsmittel

Versuchsvorschrift

To a solution of (R)-3-[6-(2-methoxy-phenyl)-pyrimidin-4-ylcarbamoyl]-piperidine-1-carboxylic acid benzyl ester (XXX) (7.0 g) in 50 mL of methanol was added 10% palladium hydroxide (1.5 g) under an atmosphere of nitrogen and the mixture was stirred at room temperature under an atmosphere of hydrogen for 8 hours. The reaction mixture was filtered through celite and the solvent was evaporated. The obtained product was taken in diethyl ether, stirred, filtered, the residue was washed with diethyl ether and dried under vacuum to yield (R)-piperidine-3-carboxylic acid [6-(2-methoxy-phenyl)-pyrimidin-4-yl]-amide (compound #18A) as a white solid (3.5 g, 72%), melting point 210-213° C.

Aufarbeitung

  1. filtrationThe reaction mixture was filtered through celite
  2. customthe solvent was evaporated
  3. stirringstirred
  4. filtrationfiltered
  5. washthe residue was washed with diethyl ether
  6. customdried under vacuum

Quellen und Nachweise

ORD-Eintrag
ord-068a51790d314f52a4e8df285ae1490a
Quelldatensatz
uspto-grants-2014_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08716296B2

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