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Hydrogen chloride-ethyl acetate → 6-fluoro-1-(4-methoxybutyl)-N-(2-methylpropyl)-N-[(3S,5R)-5-(morpholin-4-ylcarbonyl)piperidin-3-yl]-1H-benzimidazole-2-carboxamide dihydrochloride

HRID 1259910
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1259910
[F:1][C:2]1[CH:7]=[CH:6][C:5]([NH:8][C:9](=O)[C:10]([N:12]([CH2:34][CH:35]([CH3:37])[CH3:36])[C@H:13]2[CH2:18][C@@H:17]([C:19]([N:21]3[CH2:26][CH2:25][O:24][CH2:23][CH2:22]3)=[O:20])[CH2:16][N:15](C(OC(C)(C)C)=O)[CH2:14]2)=[O:11])=[C:4]([NH:39][CH2:40][CH2:41][CH2:42][CH2:43][O:44][CH3:45])[CH:3]=1.C(OCC)(=O)C.[ClH:52]>C(O)(=O)C>[ClH:52].[ClH:52].[F:1][C:2]1[CH:7]=[CH:6][C:5]2[N:8]=[C:9]([C:10]([N:12]([CH2:34][CH:35]([CH3:36])[CH3:37])[C@H:13]3[CH2:18][C@@H:17]([C:19]([N:21]4[CH2:22][CH2:23][O:24][CH2:25][CH2:26]4)=[O:20])[CH2:16][NH:15][CH2:14]3)=[O:11])[N:39]([CH2:40][CH2:41][CH2:42][CH2:43][O:44][CH3:45])[C:4]=2[CH:3]=1
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Komponenten

4

Edukt 2

HCID 21866389Hydrogen chloride-ethyl acetateHCID 58355133tert-butyl (3S,5R)-3-{[({4-fluoro-2-[(4-methoxybutyl)amino]phenyl}amino)(oxo)acetyl](2-methylpropyl)amino}-5-(morpholin-4-ylcarbonyl)piperidine-1-carboxylate

Produkt 1

HCID 673210346-fluoro-1-(4-methoxybutyl)-N-(2-methylpropyl)-N-[(3S,5R)-5-(morpholin-4-ylcarbonyl)piperidin-3-yl]-1H-benzimidazole-2-carboxamide dihydrochloride

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 176
Acetic Acid
Lösungsmittel

Reaktionsbedingungen

Temperatur
80 °C

Versuchsvorschrift

tert-Butyl (3S,5R)-3-{[({4-fluoro-2-[(4-methoxybutyl)amino]phenyl}amino)(oxo)acetyl](2-methylpropyl)amino}-5-(morpholin-4-ylcarbonyl)piperidine-1-carboxylate (294 mg) was dissolved in acetic acid (5 ml), and the mixture was stirred at 80° C. for 3 days. The reaction mixture was cooled to room temperature, 4M hydrogen chloride-ethyl acetate (5 ml) was added to the reaction mixture, and the mixture was stirred at room temperature for 2 hr. The reaction mixture was concentrated, and the residue was diluted with aqueous sodium bicarbonate, and extracted with ethyl acetate. The extract was washed with saturated brine, and dried over anhydrous sodium sulfate. The solvent was evaporated under reduced pressure. The residue was subjected to basic silica gel column chromatography, and a fraction eluted with ethyl acetate-methanol (85:15) was concentrated under reduced pressure. The residue was dissolved in ethyl acetate, 4M hydrogen chloride-ethyl acetate (1 ml) was added, and the mixture was concentrated again to give the object product (113 mg).

Aufarbeitung

  1. temperatureThe reaction mixture was cooled to room temperature
  2. stirringthe mixture was stirred at room temperature for 2 hr
  3. concentrationThe reaction mixture was concentrated
  4. additionthe residue was diluted with aqueous sodium bicarbonate
  5. extractionextracted with ethyl acetate
  6. washThe extract was washed with saturated brine
  7. dry with materialdried over anhydrous sodium sulfate
  8. customThe solvent was evaporated under reduced pressure
  9. washa fraction eluted with ethyl acetate-methanol (85:15)
  10. concentrationwas concentrated under reduced pressure
  11. dissolutionThe residue was dissolved in ethyl acetate
  12. addition4M hydrogen chloride-ethyl acetate (1 ml) was added
  13. concentrationthe mixture was concentrated again

Quellen und Nachweise

ORD-Eintrag
ord-bee3b0857baf46ff99161f32b8c30ff5
Quelldatensatz
uspto-grants-2013_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08466282B2

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