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Methyl iodide → (2R)-4-benzyl-1-[3,5-bis(trifluoromethyl)benzoyl]-2-(N-methyl-1H-indol-3-yl-methyl)piperazine

HRID 1418560
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1418560
[CH2:1]([N:8]1[CH2:13][CH2:12][N:11]([C:14](=[O:29])[C:15]2[CH:20]=[C:19]([C:21]([F:24])([F:23])[F:22])[CH:18]=[C:17]([C:25]([F:28])([F:27])[F:26])[CH:16]=2)[C@H:10]([CH2:30][C:31]2[C:39]3[C:34](=[CH:35][CH:36]=[CH:37][CH:38]=3)[NH:33][CH:32]=2)[CH2:9]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[H-].[Na+].[CH3:42]I>CN(C)C=O>[CH2:1]([N:8]1[CH2:13][CH2:12][N:11]([C:14](=[O:29])[C:15]2[CH:16]=[C:17]([C:25]([F:26])([F:27])[F:28])[CH:18]=[C:19]([C:21]([F:23])([F:22])[F:24])[CH:20]=2)[C@H:10]([CH2:30][C:31]2[C:39]3[C:34](=[CH:35][CH:36]=[CH:37][CH:38]=3)[N:33]([CH3:42])[CH:32]=2)[CH2:9]1)[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 6328Methyl iodideHCID 24758Sodium hydrideHCID 54406912(2R)-4-benzyl-1-[3,5-bis(trifluoro-methyl)benzoyl]-2-(1H-indol-3-yl-methyl)piperazine

Produkt 1

HCID 86751290(2R)-4-benzyl-1-[3,5-bis(trifluoromethyl)benzoyl]-2-(N-methyl-1H-indol-3-yl-methyl)piperazine

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228
Dimethylformamide
Lösungsmittel

Versuchsvorschrift

To an ice-cooled solution of (2R)-4-benzyl-1-[3,5-bis(trifluoromethyl)benzoyl]-2-(1H-indol-3-yl-methyl)piperazine (1.15 g) in dimethylformamide (60 ml) was added 60% sodium hydride (0.1 g) under nitrogen atmosphere, and the mixture was stirred for 5 minutes. After addition of methyl iodide (0.13 ml), the reaction mixture was stirred for 40 minutes. The reaction was quenched with 0.5N hydrochloric acid (60 ml) and diluted with dichloromethane (80 ml). The organic layer was washed with water, aqueous sodium bicarbonate solution and brine, and dried over magnesium sulfate. After removal of the solvent, the residue was purified on a silica gel column eluting with a mixture of toluene and ethyl acetate (10:1) to give (2R)-4-benzyl-1-[3,5-bis(trifluoromethyl)benzoyl]-2-(N-methyl-1H-indol-3-yl-methyl)piperazine (1.12 g) as a syrup.

Aufarbeitung

  1. stirringthe reaction mixture was stirred for 40 minutes
  2. customThe reaction was quenched with 0.5N hydrochloric acid (60 ml)
  3. additiondiluted with dichloromethane (80 ml)
  4. washThe organic layer was washed with water, aqueous sodium bicarbonate solution and brine
  5. dry with materialdried over magnesium sulfate
  6. customAfter removal of the solvent
  7. customthe residue was purified on a silica gel column
  8. washeluting with a mixture of toluene and ethyl acetate (10:1)

Quellen und Nachweise

ORD-Eintrag
ord-a0051df81dc740ff846ed46deb95370e
Quelldatensatz
uspto-grants-1999_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05883098

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