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Hydrochloric Acid → tert-butyl 2-[[[(4-methylphenyl)(1H-pyrrolo[2,3-c]pyridin-2-yl)methylene]amino]oxy]ethylcarbamate

HRID 1821895
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Reaktionsgleichung

Reaktionsgleichung von HRID 1821895
[CH3:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]([C:10]2[NH:18][C:13]3=[CH:14][N:15]=[CH:16][CH:17]=[C:12]3[CH:11]=2)=O)=[CH:4][CH:3]=1.[C:19]([O:23][C:24](=[O:30])[NH:25][CH2:26][CH2:27][O:28][NH2:29])([CH3:22])([CH3:21])[CH3:20].Cl>C(O)C>[CH3:1][C:2]1[CH:7]=[CH:6][C:5]([C:8](=[N:29][O:28][CH2:27][CH2:26][NH:25][C:24](=[O:30])[O:23][C:19]([CH3:21])([CH3:20])[CH3:22])[C:10]2[NH:18][C:13]3=[CH:14][N:15]=[CH:16][CH:17]=[C:12]3[CH:11]=2)=[CH:4][CH:3]=1
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Komponenten

5

Edukt 3

HCID 313Hydrochloric AcidHCID 15610443tert-butyl N-(2-(aminooxy)ethyl)carbamateHCID 57893512(4-methylphenyl)(1H-pyrrolo[2,3-c]pyridin-2-yl)methanone

Produkt 1

HCID 136386511tert-butyl 2-[[[(4-methylphenyl)(1H-pyrrolo[2,3-c]pyridin-2-yl)methylene]amino]oxy]ethylcarbamate

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 702Ethanol
Lösungsmittel

Versuchsvorschrift

(4-Methylphenyl)(1H-pyrrolo[2,3-c]pyridin-2-yl)methanone (Example 100) (130 mg, 0.55 mmol) and tert-butyl[2-(aminooxy)ethyl]carbamate (99 mg, 0.56 mmol) were combined in ethanol (8 mL). The pH of the mixture was adjusted to ca. 4 using 1 M ethereal hydrogen chloride and the reaction mixture was refluxed for 14 h. The solvent was removed under vacuum. The residue was dissolved in ethyl acetate, washed with saturated sodium bicarbonate solution and then brine, dried over sodium sulfate, and concentrated to a solid. Purification by column chromatography (silica gel, 75 to 100% ethyl acetate in hexanes) produced tert-butyl 2-[[[(4-methylphenyl)(1H-pyrrolo[2,3-c]pyridin-2-yl)methylene]amino]oxy]ethylcarbamate (geometry of the oxime double bond undefined).

Aufarbeitung

  1. temperaturethe reaction mixture was refluxed for 14 h
  2. customThe solvent was removed under vacuum
  3. dissolutionThe residue was dissolved in ethyl acetate
  4. washwashed with saturated sodium bicarbonate solution
  5. dry with materialbrine, dried over sodium sulfate
  6. concentrationconcentrated to a solid
  7. customPurification by column chromatography (silica gel, 75 to 100% ethyl acetate in hexanes)

Quellen und Nachweise

ORD-Eintrag
ord-b2021fda479b4adea67d1665a2a3e5d9
Quelldatensatz
uspto-grants-2009_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07608627B2

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