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4-Aminophenol → 4-(2-(N-(2-morpholin-4-ylethyl)carbamoyl)pyridyloxy)aniline

HRID 1645070
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1645070
[NH2:1][C:2]1[CH:7]=[CH:6][C:5]([OH:8])=[CH:4][CH:3]=1.CC(C)([O-])C.[K+].Cl[C:16]1[CH:21]=[CH:20][N:19]=[C:18]([C:22](=[O:32])[NH:23][CH2:24][CH2:25][N:26]2[CH2:31][CH2:30][O:29][CH2:28][CH2:27]2)[CH:17]=1.C([O-])([O-])=O.[K+].[K+]>CN(C=O)C>[N:26]1([CH2:25][CH2:24][NH:23][C:22]([C:18]2([O:8][C:5]3[CH:6]=[CH:7][C:2]([NH2:1])=[CH:3][CH:4]=3)[CH:17]=[CH:16][CH:21]=[CH:20][NH:19]2)=[O:32])[CH2:31][CH2:30][O:29][CH2:28][CH2:27]1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 4034-AminophenolHCID 11430Potassium CarbonateHCID 236145794-chloro-2-(N-(2-morpholin-4-ylethyl)carbamoyl)pyridineHCID 23665647Potassium tert-butoxide

Produkt 1

HCID 667465414-(2-(N-(2-morpholin-4-ylethyl)carbamoyl)pyridyloxy)anilineAusbeute 65 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Reaktionsbedingungen

Temperatur
75 °C

Versuchsvorschrift

A solution of 4-aminophenol (0.49 g, 4.52 mmol) and potassium tert-butoxide (0.53 g, 4.75 mmol) in DMF (8 mL) was stirred at room temp. for 2 h, then was sequentially treated with 4-chloro-2-(N-(2-morpholin-4-ylethyl)carbamoyl)pyridine (1.22 g, 4.52 mmol) and K2CO3 (0.31 g, 2.26 mmol). The resulting mixture was heated at 75° C. overnight, cooled to room temp., and separated between EtOAc (25 mL) and a saturated NaCl solution (25 mL). The aqueous layer was back extracted with EtOAc (25 mL). The combined organic layers were washed with a saturated NaCl solution (3×25 mL) and concentrated under reduced pressure. The resulting brown solids were purified by column chromatography (58 g; gradient from 100% EtOAc to 25% MeOH/75% EtOAc) to afford 4-(2-(N-(2-morpholin-4-ylethyl)carbamoyl)pyridyloxy)aniline (1.0 g, 65%): TLC (10% MeOH/90% EtOAc) Rf 0.32.

Aufarbeitung

  1. temperaturecooled to room temp.
  2. customseparated between EtOAc (25 mL)
  3. extractionThe aqueous layer was back extracted with EtOAc (25 mL)
  4. washThe combined organic layers were washed with a saturated NaCl solution (3×25 mL)
  5. concentrationconcentrated under reduced pressure
  6. customThe resulting brown solids were purified by column chromatography (58 g; gradient from 100% EtOAc to 25% MeOH/75% EtOAc)

Quellen und Nachweise

ORD-Eintrag
ord-98d83caceb944dfcb4d500d9e5a88671
Quelldatensatz
uspto-grants-2012_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08124630B2

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