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Potassium Phosphate, Tribasic → (Z)-5-(2-(3-fluorophenyl)prop-1-enyl)-2,8-dimethyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole

HRID 1401504
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1401504
[CH3:1][N:2]1[CH2:15][CH2:14][C:5]2[NH:6][C:7]3[CH:8]=[CH:9][C:10]([CH3:13])=[CH:11][C:12]=3[C:4]=2[CH2:3]1.P([O-])([O-])([O-])=O.[K+].[K+].[K+].Br[CH:25]=[C:26]([C:28]1[CH:33]=[CH:32][CH:31]=[C:30]([F:34])[CH:29]=1)[CH3:27]>CN(C=O)C.[Cu]I>[F:34][C:30]1[CH:29]=[C:28](/[C:26](/[CH3:27])=[CH:25]\[N:6]2[C:7]3[CH:8]=[CH:9][C:10]([CH3:13])=[CH:11][C:12]=3[C:4]3[CH2:3][N:2]([CH3:1])[CH2:15][CH2:14][C:5]2=3)[CH:33]=[CH:32][CH:31]=1
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Komponenten

6

Edukt 3

HCID 62657Potassium Phosphate, TribasicHCID 2092911H-Pyrido[4,3-b]indole, 2,3,4,5-tetrahydro-2,8-dimethyl-HCID 866424791-(1-Bromoprop-1-en-2-yl)-3-fluorobenzene

Produkt 1

HCID 59455113(Z)-5-(2-(3-fluorophenyl)prop-1-enyl)-2,8-dimethyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 24350
Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)
Katalysator
HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

2,8-Dimethyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole (200 mg, 1 mmol) was dissolved in DMF. Copper (I) iodide (19 mg, 0.1 mmol) L-proline (23 mg, 0.2 mmol) and potassium phosphate (424 mg, 2 mmol) were added and the reaction mixture was stirred for 10 min. at RT. 1-(1-Bromoprop-1-en-2-yl)-3-fluorobenzene (258 mg, 1.2 mmol) was added dropwise and the reaction mixture was purged with nitrogen. The reaction mixture was heated overnight at 85° C. (prolonged heating in some cases was required). DMF was evaporated under reduced pressure, the residue was diluted with water and the solid was filtered. The solid material was purified by silica gel chromatography (100-200 mesh) eluting with 0-5% MeOH-DCM. The product was further purified by HPLC. Yield: 40 mg as the TFA salt. 1H NMR (CDCl3, TFA salt) δ (ppm): 7.22 (d, 1H), 7.18 (s, 1H), 7.10 (m, 2H), 6.85 (t, 1H), 6.70 (s, 1H), 6.62 (d, 2H), 4.65 (d, 1H), 4.05 (d, 1H), 3.50 (m, 1H), 3.15 (m, 1H), 2.80 (s, 3H), 2.60 (m, 1H), 2.42 (s, 3H), 2.38 (m, 1H), 2.30 (s, 3H).

Aufarbeitung

  1. customthe reaction mixture was purged with nitrogen
  2. temperatureThe reaction mixture was heated overnight at 85° C. (
  3. temperatureprolonged heating in some cases
  4. customDMF was evaporated under reduced pressure
  5. additionthe residue was diluted with water
  6. filtrationthe solid was filtered
  7. customThe solid material was purified by silica gel chromatography (100-200 mesh)
  8. washeluting with 0-5% MeOH-DCM
  9. customThe product was further purified by HPLC

Quellen und Nachweise

ORD-Eintrag
ord-3f2cecac72ce42f1bcd567b77fe7ddca
Quelldatensatz
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08907097B2

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