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Diisopropylethylamine → [4-(3-Fluoro-4-nitrophenoxy)-7-methoxyquinolin-6-yl]carbamic acid benzyl ester

HRID 853389
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 853389
[CH2:1]([O:8][C:9](=[O:24])[NH:10][C:11]1[CH:12]=[C:13]2[C:18](=[CH:19][C:20]=1[O:21][CH3:22])[N:17]=[CH:16][CH:15]=[C:14]2Cl)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[F:25][C:26]1[CH:27]=[C:28]([OH:35])[CH:29]=[CH:30][C:31]=1[N+:32]([O-:34])=[O:33].C(N(CC)C(C)C)(C)C.C(=O)(O)[O-].[Na+]>CN1CCCC1=O>[CH2:1]([O:8][C:9](=[O:24])[NH:10][C:11]1[CH:12]=[C:13]2[C:18](=[CH:19][C:20]=1[O:21][CH3:22])[N:17]=[CH:16][CH:15]=[C:14]2[O:35][C:28]1[CH:29]=[CH:30][C:31]([N+:32]([O-:34])=[O:33])=[C:26]([F:25])[CH:27]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 81531DiisopropylethylamineHCID 516892Sodium BicarbonateHCID 5209483-Fluoro-4-nitrophenolHCID 58931435(4-Chloro-7-methoxyquinolin-6-yl)carbamic acid benzyl ester

Produkt 1

HCID 58931261[4-(3-Fluoro-4-nitrophenoxy)-7-methoxyquinolin-6-yl]carbamic acid benzyl esterAusbeute 8,8 %

Reagenzien, Katalysatoren, Lösungsmittel

1
HCID 13387N-methyl-2-pyrrolidoneLösungsmittel

Reaktionsbedingungen

Temperatur
130 °C

Versuchsvorschrift

(4-Chloro-7-methoxyquinolin-6-yl)carbamic acid benzyl ester (1.58 g) was added to 1-methyl-2-pyrrolidone (5 ml), and then 3-fluoro-4-nitrophenol (0.87 g) and N,N-diisopropylethylamine (1.2 ml) were added and the mixture was heated and stirred at 130° C. for 6 hours. The reaction solution was poured into saturated aqueous sodium bicarbonate and extracted with ethyl acetate, and the organic layer was washed with saturated brine and dried over magnesium sulfate. The organic layer was concentrated and the obtained residue was subjected to NH silica gel column chromatography for elution with a solvent (ethyl acetate) to obtain the title compound (188 mg) as a solid.

Aufarbeitung

  1. temperaturethe mixture was heated
  2. extractionextracted with ethyl acetate
  3. washthe organic layer was washed with saturated brine
  4. dry with materialdried over magnesium sulfate
  5. concentrationThe organic layer was concentrated
  6. washthe obtained residue was subjected to NH silica gel column chromatography for elution with a solvent (ethyl acetate)

Quellen und Nachweise

ORD-Eintrag
ord-88878d7c8be8428e862b67100cf2403d
Quelldatensatz
uspto-grants-2007_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07253286B2

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