Dimethylformamide → Tert-butyl[2-[3-(3-nitro-2-pyridyloxy)phenyl]ethyl]carbamate

HRID 1373228Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1373228
Cl[C:2]1[C:7]([N+:8]([O-:10])=[O:9])=[CH:6][CH:5]=[CH:4][N:3]=1.[C:11]([O:15][C:16]([NH:18][CH2:19][CH2:20][C:21]1[CH:26]=[CH:25][CH:24]=[C:23]([OH:27])[CH:22]=1)=[O:17])([CH3:14])([CH3:13])[CH3:12].C(=O)([O-])[O-].[K+].[K+].CN(C)C=O>O>[C:11]([O:15][C:16](=[O:17])[NH:18][CH2:19][CH2:20][C:21]1[CH:26]=[CH:25][CH:24]=[C:23]([O:27][C:2]2[C:7]([N+:8]([O-:10])=[O:9])=[CH:6][CH:5]=[CH:4][N:3]=2)[CH:22]=1)([CH3:14])([CH3:12])[CH3:13]

Komponenten

6

Edukt 4

HCID 6228DimethylformamideHCID 11430Potassium CarbonateHCID 796132-Chloro-3-nitropyridineHCID 11031911tert-Butyl 3-hydroxyphenethylcarbamate

Produkt 1

HCID 21073098Tert-butyl[2-[3-(3-nitro-2-pyridyloxy)phenyl]ethyl]carbamateAusbeute 93,7 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 962WaterLösungsmittel

Reaktionsbedingungen

Temperatur
100 °C

Versuchsvorschrift

A mixture of 2-chloro-3-nitropyridine (4.76 g, 30 mmols), N-tert-butoxycarbonyl-3-hydroxyphenethylamine (7.11 g, 30 mmols), potassium carbonate (4.14 g, 30 mmols) and N,N-dimethylformamide (50 ml) was stirred at 100° C. for 12 hours. The reaction mixture was cooled, then poured into water, and then extracted with ethyl acetate. The extract was washed with water, and then dried with anhydrous magnesium sulfate, and the solvent was evaporated away. The residue was purified through silica gel column chromatography to give an yellow oil of tert-butyl[2-[3-(3-nitro-2-pyridyloxy)phenyl]ethyl]carbamate (10.1 g, 92.5%).

Aufarbeitung

  1. temperatureThe reaction mixture was cooled
  2. extractionextracted with ethyl acetate
  3. washThe extract was washed with water
  4. dry with materialdried with anhydrous magnesium sulfate
  5. customthe solvent was evaporated away
  6. customThe residue was purified through silica gel column chromatography

Quellen und Nachweise

ORD-Eintrag
ord-4daedad2df604bd7979069e4cde21399
Quelldatensatz
uspto-grants-2007_01
Patentnummer
US07160887B1

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