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Water → HCID 66906096, Verbindung

HRID 1691741
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1691741
[F:1][C:2]1[CH:3]=[C:4]([CH:8]2[CH:13]([CH2:14][N:15]([C@@H:23]([C:25]3[C:34]4[C:29](=[CH:30][CH:31]=[CH:32][CH:33]=4)[CH:28]=[CH:27][CH:26]=3)[CH3:24])[C:16](=[O:22])[O:17][C:18]([CH3:21])([CH3:20])[CH3:19])[CH2:12][CH2:11][NH:10][CH2:9]2)[CH:5]=[CH:6][CH:7]=1.[H-].[Na+].Cl[C:38]1[O:39][C:40]2[CH:46]=[CH:45][C:44]([C:47]([O:49][CH3:50])=[O:48])=[CH:43][C:41]=2[N:42]=1.O>CS(C)=O>[C:18]([O:17][C:16]([N:15]([CH2:14][CH:13]1[CH2:12][CH2:11][N:10]([C:38]2[O:39][C:40]3[CH:46]=[CH:45][C:44]([C:47]([O:49][CH3:50])=[O:48])=[CH:43][C:41]=3[N:42]=2)[CH2:9][CH:8]1[C:4]1[CH:5]=[CH:6][CH:7]=[C:2]([F:1])[CH:3]=1)[C@@H:23]([C:25]1[C:34]2[C:29](=[CH:30][CH:31]=[CH:32][CH:33]=2)[CH:28]=[CH:27][CH:26]=1)[CH3:24])=[O:22])([CH3:19])([CH3:21])[CH3:20]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 962WaterHCID 24758Sodium hydrideHCID 10774871Methyl 2-chloro-1,3-benzoxazole-5-carboxylate2×HCID 59178728tert-butyl {[3-(3-fluorophenyl)piperidin-4-yl]methyl}[(1R)-1-(1-naphthyl)ethyl]carbamate

Produkt 1

HCID 66906096HCID 66906096, VerbindungAusbeute 12,9 %

Reagenzien, Katalysatoren, Lösungsmittel

1
HCID 679Dimethyl SulfoxideLösungsmittel

Versuchsvorschrift

To a solution of 185 mg of tert-butyl {[3-(3-fluorophenyl)piperidin-4-yl]methyl}[(1R)-1-(1-naphthyl)ethyl]carbamate in 2.00 mL of DMSO was added 18 mg of sodium hydride (55% dispersion) at room temperature, followed by stirring for 10 minutes. 89 mg of methyl 2-chloro-1,3-benzoxazole-5-carboxylate was added thereto, followed by stirring at 100° C. overnight. 55 mg of methyl 2-chloro-1,3-benzoxazole-5-carboxylate was further added thereto, followed by stirring at 100° C. overnight. The reaction mixture was cooled to room temperature, and water was then added thereto, followed by extraction with ethyl acetate. The organic layer was washed with saturated brine, and dried over anhydrous sodium sulfate. After filtration, the filtrate was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (hexane-ethyl acetate and chloroform-methanol) to obtain 33 mg of methyl 2-[4-({(tert-butoxycarbonyl)[(1R)-1-(1-naphthyl)ethyl]amino}methyl)-3-(3-fluorophenyl)piperidin-1-yl]-1,3-benzoxazole-5-carboxylate as a colorless resinous compound. ESI+: 638

Aufarbeitung

  1. stirringby stirring at 100° C. overnight
  2. stirringby stirring at 100° C. overnight
  3. extractionfollowed by extraction with ethyl acetate
  4. washThe organic layer was washed with saturated brine
  5. dry with materialdried over anhydrous sodium sulfate
  6. filtrationAfter filtration
  7. concentrationthe filtrate was concentrated under reduced pressure
  8. customThe residue was purified by silica gel column chromatography (hexane-ethyl acetate and chloroform-methanol)

Quellen und Nachweise

ORD-Eintrag
ord-b5b780fd84e94752a85633da8eb79a51
Quelldatensatz
uspto-grants-2012_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08153658B2

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