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Boron trifluoride etherate → HCID 178438653, Verbindung

HRID 2048418
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2048418
[O:1]1[C:5]2([CH2:10][CH2:9][CH:8]([N:11]3[C:16](=[O:17])[C:15]([CH2:18][C:19]4[CH:24]=[CH:23][C:22]([C:25]5[C:26]([C:31]#[N:32])=[CH:27][CH:28]=[CH:29][CH:30]=5)=[CH:21][CH:20]=4)=[C:14]([CH2:33][CH2:34][CH3:35])[N:13]4[N:36]=[C:37]([CH3:39])[N:38]=[C:12]34)[CH2:7][CH2:6]2)[O:4][CH2:3][CH2:2]1.C([BH3-])#N.[Na+].B(F)(F)F.CCOCC.C(=O)([O-])O.[Na+]>O1CCCC1>[OH:1][CH2:2][CH2:3][O:4][C@@H:5]1[CH2:10][CH2:9][C@H:8]([N:11]2[C:16](=[O:17])[C:15]([CH2:18][C:19]3[CH:24]=[CH:23][C:22]([C:25]4[C:26]([C:31]#[N:32])=[CH:27][CH:28]=[CH:29][CH:30]=4)=[CH:21][CH:20]=3)=[C:14]([CH2:33][CH2:34][CH3:35])[N:13]3[N:36]=[C:37]([CH3:39])[N:38]=[C:12]23)[CH2:7][CH2:6]1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 8000Boron trifluoride etherateHCID 516892Sodium BicarbonateHCID 5003444Sodium cyanoborohydrideHCID 670085484'-{[4-(1,4-Dioxaspiro[4.5]dec-8-yl)-2-methyl-5-oxo-7-propyl-4,5-dihydro[1,2,4]triazolo[1,5-a]pyrimidin-6-yl]methyl}biphenyl-2-carbonitrile

Produkt 1

HCID 178438653HCID 178438653, VerbindungAusbeute 43,8 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

A mixture of 4′-{[4-(1,4-dioxaspiro[4.5]dec-8-yl)-2-methyl-5-oxo-7-propyl-4,5-dihydro[1,2,4]triazolo[1,5-a]pyrimidin-6-yl]methyl}biphenyl-2-carbonitrile (1.0 g), sodium cyanoborohydride (0.32 g), boron trifluoride etherate (0.64 mL) and tetrahydrofuran (20 mL) was heated under reflux for 15 hr. Saturated aqueous sodium hydrogen carbonate solution was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The organic layer was washed with saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure, and the residue was purified by silica gel column chromatography to give the title compound as a colorless solid (0.44 g, 42%).

Aufarbeitung

  1. temperaturewas heated
  2. temperatureunder reflux for 15 hr
  3. extractionthe mixture was extracted with ethyl acetate
  4. washThe organic layer was washed with saturated brine
  5. dry with materialdried over anhydrous magnesium sulfate
  6. customThe solvent was evaporated under reduced pressure
  7. customthe residue was purified by silica gel column chromatography

Quellen und Nachweise

ORD-Eintrag
ord-18db298b1eb54b59a96aec566b18eaf9
Quelldatensatz
uspto-grants-2013_11
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08592431B2

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