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Triethylamine → HCID 90876343, Verbindung

HRID 220294
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 220294
[NH:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[N:3]=[C:2]1[CH2:10][CH2:11][CH2:12][N:13]([CH3:31])[CH2:14][CH2:15][C:16]1([OH:30])[CH2:21][CH:20]2[CH2:22][CH2:23][CH:17]1[CH:18]=[C:19]2[C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=1.CCN(CC)CC.[C:39](Cl)(=[O:43])[CH:40]([CH3:42])[CH3:41]>C(Cl)Cl>[NH:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[N:3]=[C:2]1[CH2:10][CH2:11][CH2:12][N:13]([CH3:31])[CH2:14][CH2:15][C@:16]1([O:30][C:39](=[O:43])[CH:40]([CH3:42])[CH3:41])[CH2:21][C@H:20]2[CH2:22][CH2:23][C@@H:17]1[CH:18]=[C:19]2[C:24]1[CH:25]=[CH:26][CH:27]=[CH:28][CH:29]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 8471TriethylamineHCID 62325Isobutyryl chlorideHCID 68412487rac-(1R*,2R*,4R*)-2-(2-{[3-(1H-benzoimidazol-2-yl)-propyl]-methyl-amino}-ethyl)-5-phenyl-bicyclo[2.2.2]oct-5-en-2-ol

Produkt 1

HCID 90876343HCID 90876343, Verbindung

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

To a solution of 150 mg of rac-(1R*,2R*,4R*)-2-(2-{[3-(1H-benzoimidazol-2-yl)-propyl]-methyl-amino}-ethyl)-5-phenyl-bicyclo[2.2.2]oct-5-en-2-ol and 0.176 mL of NEt3 in 4 mL DCM 0.1 mL of isobutyrylchloride was added at 0° C. The yellow reaction mixture was stirred for 3 h at rt and then quenched with sat. aq. NaHCO3. The product was extracted with DCM, the organic phase was evaporated to dryness. The residue was dissolved in EtOAc, silica gel and a few drops of MeOH were added and the mixture was stirred vigorously for 5 h. The mixture was filtered, the filtrate evaporated and the residue purified by CC with EtOAc-MeOH (3:1) to yield 86 mg of pure rac-isobutyric acid (1R*,2R*,4R*)-2-(2-{[3-(1H-benzoimidazol-2-yl)-propyl]-methyl-amino}-ethyl)-5-phenyl-bicyclo[2.2.2]oct-5-en-2-yl ester as colorless foam.

Aufarbeitung

  1. customquenched with sat. aq. NaHCO3
  2. extractionThe product was extracted with DCM
  3. customthe organic phase was evaporated to dryness
  4. dissolutionThe residue was dissolved in EtOAc
  5. additionsilica gel and a few drops of MeOH were added
  6. stirringthe mixture was stirred vigorously for 5 h
  7. filtrationThe mixture was filtered
  8. customthe filtrate evaporated
  9. customthe residue purified by CC with EtOAc-MeOH (3:1)

Quellen und Nachweise

ORD-Eintrag
ord-377d052ce05c4857ba50499f910e4b1e
Quelldatensatz
uspto-grants-2012_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08202885B2

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