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Acetic Acid → HCID 25023595, Verbindung

HRID 2076359
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2076359
[CH2:1]([N:8]1[CH:16]=[C:15]2[C:10]([CH:11]=[CH:12][C:13]3[C:19](=O)[C:18]([CH2:26][CH2:27][F:28])([CH2:21][CH2:22][C:23](=[O:25])[CH3:24])[CH2:17][C:14]=32)=[N:9]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.N1CCCC1.C(O)(=O)C>C1(C)C=CC=CC=1.CCCCCCC.ClCCl>[CH2:1]([N:8]1[CH:16]=[C:15]2[C:10]([CH:11]=[CH:12][C:13]3[C:19]4[C:18]([CH2:26][CH2:27][F:28])([CH2:21][CH2:22][C:23](=[O:25])[CH:24]=4)[CH2:17][C:14]=32)=[N:9]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 3

HCID 176Acetic AcidHCID 31268PyrrolidineHCID 59397215HCID 59397215, Verbindung

Produkt 1

HCID 25023595HCID 25023595, Verbindung

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 1140TolueneLösungsmittelHCID 21907733Dichloromethane heptane
Lösungsmittel

Reaktionsbedingungen

Temperatur
90 °C

Versuchsvorschrift

To a solution of 2-benzyl-7-(2-fluoroethyl)-7-(3-oxobutyl)-7,8-dihydrocyclopenta[e]indazol-6(2H)-one (10.8 g, 28.6 mmol) in 300 mL of toluene were added pyrrolidine (2.4 mL, 28.6 mmol) and acetic acid (1.64 mL, 28.6 mmol) and the solution was heated at 90° C. under nitrogen. After 15 hours, the solution was cooled to room temperature and partitioned between EtOAc and water. The organic phase was washed with 5% aqueous NaHCO3 and brine and dried over MgSO4. Evaporation of the solvent under vacuum gave a brown oil which was purified by chromatography on silica gel (1:2 to 1:1 EtOAc/hexanes) to give a sticky orange solid. The solid was dissolved in heptane-dichloromethane and then most of the dichloromethane was evaporated under reduced pressure. The resulting precipitated solid was isolated by filtration to give 2-benzyl-9a-(2-fluoroethyl)-8,9,9a,10-tetrahydroindeno[2,1-e]indazol-7(2H) -one.

Aufarbeitung

  1. temperaturethe solution was cooled to room temperature
  2. custompartitioned between EtOAc and water
  3. washThe organic phase was washed with 5% aqueous NaHCO3 and brine
  4. dry with materialdried over MgSO4
  5. customEvaporation of the solvent under vacuum
  6. customgave a brown oil which
  7. customwas purified by chromatography on silica gel (1:2 to 1:1 EtOAc/hexanes)
  8. customto give a sticky orange solid
  9. custommost of the dichloromethane was evaporated under reduced pressure
  10. customThe resulting precipitated solid
  11. customwas isolated by filtration

Quellen und Nachweise

ORD-Eintrag
ord-a76086e7fe90420a856cff39c463235a
Quelldatensatz
uspto-grants-2011_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07923568B2

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