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3-[1-(7-Benzyloxy-6-methoxy-4-quinazolinyl)-4-piperidinyl]-1,2,3,4-tetrahydro-1,6-dimethyl-2,4-dioxoquinazoline → 1,2,3,4-Tetrahydro-3-[1-(7-hydroxy-6-methoxy-4-quinazolinyl)-4-piperidinyl]-1,6-dimethyl-2,4-dioxo-quinazoline

HRID 55044
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 55044
C([O:8][C:9]1[CH:18]=[C:17]2[C:12]([C:13]([N:19]3[CH2:24][CH2:23][CH:22]([N:25]4[C:34](=[O:35])[C:33]5[C:28](=[CH:29][CH:30]=[C:31]([CH3:36])[CH:32]=5)[N:27]([CH3:37])[C:26]4=[O:38])[CH2:21][CH2:20]3)=[N:14][CH:15]=[N:16]2)=[CH:11][C:10]=1[O:39][CH3:40])C1C=CC=CC=1>C(O)C.[Pd]>[OH:8][C:9]1[CH:18]=[C:17]2[C:12]([C:13]([N:19]3[CH2:24][CH2:23][CH:22]([N:25]4[C:34](=[O:35])[C:33]5[C:28](=[CH:29][CH:30]=[C:31]([CH3:36])[CH:32]=5)[N:27]([CH3:37])[C:26]4=[O:38])[CH2:21][CH2:20]3)=[N:14][CH:15]=[N:16]2)=[CH:11][C:10]=1[O:39][CH3:40]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

4

Edukt 1

HCID 229234363-[1-(7-Benzyloxy-6-methoxy-4-quinazolinyl)-4-piperidinyl]-1,2,3,4-tetrahydro-1,6-dimethyl-2,4-dioxoquinazoline

Produkt 1

HCID 1358475911,2,3,4-Tetrahydro-3-[1-(7-hydroxy-6-methoxy-4-quinazolinyl)-4-piperidinyl]-1,6-dimethyl-2,4-dioxo-quinazolineAusbeute 84 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 23938PalladiumKatalysatorHCID 702EthanolLösungsmittel

Versuchsvorschrift

In 10 ml of ethanol was dissolved 150 mg (0.28 mmol) of Compound 87 obtained in Example 66, and 30 mg of 10% palladium on carbon was added thereto, followed by vigorous stirring at room temperature for 6 hours under a hydrogen atmosphere at atmospheric pressure. The reaction mixture was filtered using a filter aid, and the filtrate was concentrated under reduced pressure. To the residue were added ethanol and ethyl acetate. The precipitated crystals were collected by filtration, washed, and dried to give 105.2 mg (yield: 84%) of Compound 89 as white crystals.

Aufarbeitung

  1. additionwas added
  2. filtrationThe reaction mixture was filtered
  3. concentrationthe filtrate was concentrated under reduced pressure
  4. additionTo the residue were added ethanol and ethyl acetate
  5. filtrationThe precipitated crystals were collected by filtration
  6. washwashed
  7. customdried

Quellen und Nachweise

ORD-Eintrag
ord-39777652ee9048599ae6885ccc5b8893
Quelldatensatz
uspto-grants-1997_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05624926

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