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Isobutyraldehyde → Ethyl [(1-isopropyl-4,4,7-trimethyl-1,2,3,4-tetrahydroquinolin-6-yl)isobutylamino]benzoate

HRID 365525
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 365525
[CH:1]([N:4]1[C:13]2[C:8](=[CH:9][C:10]([NH:15][C:16]3[CH:26]=[CH:25][CH:24]=[CH:23][C:17]=3[C:18]([O:20][CH2:21][CH3:22])=[O:19])=[C:11]([CH3:14])[CH:12]=2)[C:7]([CH3:28])([CH3:27])[CH2:6][CH2:5]1)([CH3:3])[CH3:2].[CH:29](=O)[CH:30]([CH3:32])[CH3:31].C([BH3-])#N.[Na+].[OH-].[Na+]>C(O)(=O)C.C(#N)C>[CH:1]([N:4]1[C:13]2[C:8](=[CH:9][C:10]([N:15]([C:16]3[CH:26]=[CH:25][CH:24]=[CH:23][C:17]=3[C:18]([O:20][CH2:21][CH3:22])=[O:19])[CH2:29][CH:30]([CH3:32])[CH3:31])=[C:11]([CH3:14])[CH:12]=2)[C:7]([CH3:28])([CH3:27])[CH2:6][CH2:5]1)([CH3:3])[CH3:2]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 4

HCID 6561IsobutyraldehydeHCID 14798Sodium HydroxideHCID 5003444Sodium cyanoborohydrideHCID 86755923Ethyl [(1-isopropyl-4,4,7-trimethyl-1,2,3,4-tetrahydroquinolin-6-yl)amino)benzoate2×

Produkt 1

HCID 53918247Ethyl [(1-isopropyl-4,4,7-trimethyl-1,2,3,4-tetrahydroquinolin-6-yl)isobutylamino]benzoateAusbeute 34,4 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 176Acetic AcidLösungsmittelHCID 6342AcetonitrileLösungsmittel

Versuchsvorschrift

Ethyl [(1-isopropyl-4,4,7-trimethyl-1,2,3,4-tetrahydroquinolin-6-yl)amino)benzoate (Compound 20, 0.12 g, 0.32 mmol) was dissolved in a 10% acetic acid in acetonitrile solution (2.0 mL). The solution was treated with isobutyraldehyde (0.10 mL, 1.1 mmol) and then sodium cyanoborohydride (22 mg, 0.35 mmol) and the reaction stirred at room temperature for 7 hours. 1 M aqueous NaOH was added until pH=6 was reached and the solution was extracted with ether (2×), washed with brine, and dried (Na2SO4). The filtered solution was concentrated under reduced pressure and the residue purified using flash column chromatography (10% ethyl acetate in hexanes) to give the title compound (48 mg) as an oil.

Aufarbeitung

  1. extractionthe solution was extracted with ether (2×)
  2. washwashed with brine
  3. dry with materialdried (Na2SO4)
  4. concentrationThe filtered solution was concentrated under reduced pressure
  5. customthe residue purified

Quellen und Nachweise

ORD-Eintrag
ord-6d6113f740af4727a3d9a05ec62a5eb6
Quelldatensatz
uspto-grants-2000_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06127382

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