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Cesium carbonate → 4-(2-(4-(1H-benzo[d]imidazole-2-carbonyl)phenoxy)pyridin-3-yl)cyclohexanone

HRID 1880109
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1880109
F[C:2]1[C:7]([CH:8]2[CH2:13][CH2:12][C:11](=[O:14])[CH2:10][CH2:9]2)=[CH:6][CH:5]=[CH:4][N:3]=1.[NH:15]1[C:19]2[CH:20]=[CH:21][CH:22]=[CH:23][C:18]=2[N:17]=[C:16]1[C:24]([C:26]1[CH:31]=[CH:30][C:29]([OH:32])=[CH:28][CH:27]=1)=[O:25].C(=O)([O-])[O-].[Cs+].[Cs+]>CN1C(=O)CCC1.O>[NH:15]1[C:19]2[CH:20]=[CH:21][CH:22]=[CH:23][C:18]=2[N:17]=[C:16]1[C:24]([C:26]1[CH:31]=[CH:30][C:29]([O:32][C:2]2[C:7]([CH:8]3[CH2:13][CH2:12][C:11](=[O:14])[CH2:10][CH2:9]3)=[CH:6][CH:5]=[CH:4][N:3]=2)=[CH:28][CH:27]=1)=[O:25]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 3

HCID 10796Cesium carbonateHCID 576067214-(2-Fluoropyridin-3-yl)cyclohexanoneHCID 59326874(1H-benzo[d]imidazol-2-yl)(4-hydroxyphenyl)methanone

Produkt 1

HCID 593270724-(2-(4-(1H-benzo[d]imidazole-2-carbonyl)phenoxy)pyridin-3-yl)cyclohexanone

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 962WaterLösungsmittel
HCID 13387
N-methyl-2-pyrrolidone
Lösungsmittel

Reaktionsbedingungen

Temperatur
140 °C

Versuchsvorschrift

4-(2-Fluoropyridin-3-yl)cyclohexanone (0.05 g, 0.26 mmol), (1H-benzo[d]imidazol-2-yl)(4-hydroxyphenyl)methanone (0.19 g, 0.78 mmol), and cesium carbonate (0.25 g, 0.78 mmol) were mixed in NMP (1 mL). The reaction mixture was placed under a nitrogen atmosphere and stirred at 140° C. for 48 h. The reaction mixture was cooled to room temperature, diluted with water, and extracted with EtOAc (3×). The combined organic layers were washed with 1 M aqueous sodium hydroxide, washed with sat. sodium chloride, dried over magnesium sulfate, and concentrated in vacuo. The resulting crude product was partially purified by silica gel chromatography. The impure product was then dissolved in a minimal amount of DCM, and hexanes were added until a precipitate formed. The resulting suspension was partially concentrated and filtered to give 4-(2-(4-(1H-benzo[d]imidazole-2-carbonyl)phenoxy)pyridin-3-yl)cyclohexanone. MS (ESI, pos. ion) m/z: 412.1 (M+1). IC50 (uM) +++++.

Aufarbeitung

  1. temperatureThe reaction mixture was cooled to room temperature
  2. extractionextracted with EtOAc (3×)
  3. washThe combined organic layers were washed with 1 M aqueous sodium hydroxide
  4. washwashed with sat. sodium chloride
  5. dry with materialdried over magnesium sulfate
  6. concentrationconcentrated in vacuo
  7. customThe resulting crude product was partially purified by silica gel chromatography
  8. dissolutionThe impure product was then dissolved in a minimal amount of DCM, and hexanes
  9. additionwere added until a precipitate
  10. customformed
  11. concentrationThe resulting suspension was partially concentrated
  12. filtrationfiltered

Quellen und Nachweise

ORD-Eintrag
ord-1f6783b517a14412b0251902a1ae0003
Quelldatensatz
uspto-grants-2012_11
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08318718B2

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