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4-Ethylbenzaldehyde → 1-(2-(4-(4-ethylbenzylamino)piperidin-1-yl)ethyl)-7-fluoroquinoxalin-2(1H)-one

HRID 39956
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 39956
[NH2:1][CH:2]1[CH2:7][CH2:6][N:5]([CH2:8][CH2:9][N:10]2[C:19]3[C:14](=[CH:15][CH:16]=[C:17]([F:20])[CH:18]=3)[N:13]=[CH:12][C:11]2=[O:21])[CH2:4][CH2:3]1.[CH2:22]([C:24]1[CH:31]=[CH:30][C:27]([CH:28]=O)=[CH:26][CH:25]=1)[CH3:23].C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].C(=O)([O-])O.[Na+]>C(O)(=O)C.C(Cl)(Cl)Cl>[CH2:22]([C:24]1[CH:31]=[CH:30][C:27]([CH2:28][NH:1][CH:2]2[CH2:3][CH2:4][N:5]([CH2:8][CH2:9][N:10]3[C:19]4[C:14](=[CH:15][CH:16]=[C:17]([F:20])[CH:18]=4)[N:13]=[CH:12][C:11]3=[O:21])[CH2:6][CH2:7]2)=[CH:26][CH:25]=1)[CH3:23]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 4

HCID 208614-EthylbenzaldehydeHCID 516892Sodium BicarbonateHCID 5049666Sodium triacetoxyborohydrideHCID 593979071-(2-(4-aminopiperidin-1-yl)ethyl)-7-fluoroquinoxalin-2(1H)-one

Produkt 1

HCID 593982381-(2-(4-(4-ethylbenzylamino)piperidin-1-yl)ethyl)-7-fluoroquinoxalin-2(1H)-one

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 176Acetic AcidLösungsmittelHCID 6212ChloroformLösungsmittel

Versuchsvorschrift

To 5 mL of a chloroform solution containing 301 mg of 1-(2-(4-aminopiperidin-1-yl)ethyl)-7-fluoroquinoxalin-2(1H)-one and 143 mg of 4-ethylbenzaldehyde, 60 μL of acetic acid were added, and stirred at room temperature for 1 hour. To the reaction mixture, 352 mg of sodium triacetoxyborohydride was added, and stirred for 1.5 hours. Aqueous saturated sodium hydrogen carbonate solution was added, the organic layer was separated. The organic layer was washed with aqueous saturated sodium chloride solution, dried over anhydrous magnesium sulfate, and the solvent was removed under reduced pressure. The residue thus obtained was purified by silica gel column chromatography [Silica Gel; Fuji Silysia Chemical Ltd., Chromatorex-NH, eluent; ethyl acetate:hexane=1:1], to give 1-(2-(4-(4-ethylbenzylamino)piperidin-1-yl)ethyl)-7-fluoroquinoxalin-2(1H)-one as pale yellow solid.

Aufarbeitung

  1. additionwere added
  2. stirringstirred for 1.5 hours
  3. customthe organic layer was separated
  4. washThe organic layer was washed with aqueous saturated sodium chloride solution
  5. dry with materialdried over anhydrous magnesium sulfate
  6. customthe solvent was removed under reduced pressure
  7. customThe residue thus obtained
  8. customwas purified by silica gel column chromatography [Silica Gel; Fuji Silysia Chemical Ltd., Chromatorex-NH, eluent; ethyl acetate:hexane=1:1]

Quellen und Nachweise

ORD-Eintrag
ord-759d40a4bf4a4131b388834e750b4488
Quelldatensatz
uspto-grants-2013_09
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08524738B2

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