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

HRID 1401543
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1401543
[Cl:1][C:2]1[CH:10]=[CH:9][C:8]2[NH:7][C:6]3[CH2:11][CH:12]([CH3:16])[N:13]([CH3:15])[CH2:14][C:5]=3[C:4]=2[CH:3]=1.N1CCC[C@H]1C(O)=O.P([O-])([O-])([O-])=O.[K+].[K+].[K+].Br[CH:34]=[C:35]([C:37]1[CH:42]=[CH:41][C:40]([F:43])=[CH:39][CH:38]=1)[CH3:36]>CN(C=O)C.[Cu]I>[Cl:1][C:2]1[CH:10]=[CH:9][C:8]2[N:7](/[CH:34]=[C:35](/[C:37]3[CH:42]=[CH:41][C:40]([F:43])=[CH:39][CH:38]=3)\[CH3:36])[C:6]3[CH2:11][CH:12]([CH3:16])[N:13]([CH3:15])[CH2:14][C:5]=3[C:4]=2[CH:3]=1
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Komponenten

7

Edukt 4

HCID 62657Potassium Phosphate, TribasicHCID 145742L-ProlineHCID 673096348-Chloro-2,3-dimethyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indoleHCID 86644757(1-Bromoprop-1-en-2-yl)-4-fluorobenzene

Produkt 1

HCID 59455090(E)-8-chloro-5-(2-(4-fluorophenyl)prop-1-enyl)-2,3-dimethyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole

Reagenzien, Katalysatoren, Lösungsmittel

2
HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)KatalysatorHCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

8-Chloro-2,3-dimethyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole (117 mg, 0.5 mmol) was dissolved in DMF. Copper (I) iodide (9.5 mg, 0.05 mmol), L-proline (11.5 mg, 0.1 mmol) and potassium phosphate (212 mg, 1 mmol) were added and the reaction mixture was stirred for 10 min. at RT. 1-(1-Bromoprop-1-en-2-yl)-4-fluorobenzene (118 mg, 0.55 mmol) was added dropwise and the reaction mixture was purged with nitrogen. The reaction mixture was heated overnight at 90° 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 0-7% MeOH-DCM. 1H NMR (DMSO-d6, oxalate salt) δ (ppm): 7.72 (m, 2H), 7.61 (s, 1H), 7.30 (m, 3H), 7.20 (d, 1H), 7.11 (s, 1H), 4.40 (m, 2H), 3.20 (m, 1H), 2.80 (m, 5H), 1.84 (s, 3H), 1.40 (d, 3H).

Aufarbeitung

  1. customthe reaction mixture was purged with nitrogen
  2. temperatureThe reaction mixture was heated overnight at 90° 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 0-7% MeOH-DCM

Quellen und Nachweise

ORD-Eintrag
ord-9f6e691ffa324ac382613231564adb0c
Quelldatensatz
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08907097B2

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