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Triethylamine → 7-[(3S)-3-(Dimethylamino)pyrrolidin-1-yl]-5-methyl-6-phenyl-2-(pyrrolidin-1-yl)-1,3-benzoxazole-4-carbonitrile

HRID 17408
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 17408
F[C:2]1[C:3]([C:19]2[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=2)=[C:4]([CH3:18])[C:5]([C:16]#[N:17])=[C:6]2[C:10]=1[O:9][C:8]([N:11]1[CH2:15][CH2:14][CH2:13][CH2:12]1)=[N:7]2.C(N(CC)CC)C.[CH3:32][N:33]([CH3:39])[C@H:34]1[CH2:38][CH2:37][NH:36][CH2:35]1>CS(C)=O.ClCCl>[CH3:32][N:33]([CH3:39])[C@H:34]1[CH2:38][CH2:37][N:36]([C:2]2[C:3]([C:19]3[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=3)=[C:4]([CH3:18])[C:5]([C:16]#[N:17])=[C:6]3[C:10]=2[O:9][C:8]([N:11]2[CH2:15][CH2:14][CH2:13][CH2:12]2)=[N:7]3)[CH2:35]1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 3

HCID 8471TriethylamineHCID 7019156(3S)-(-)-3-(Dimethylamino)pyrrolidineHCID 685847937-Fluoro-5-methyl-6-phenyl-2-(pyrrolidin-1-yl)-1,3-benzoxazole-4-carbonitrile

Produkt 1

HCID 510393167-[(3S)-3-(Dimethylamino)pyrrolidin-1-yl]-5-methyl-6-phenyl-2-(pyrrolidin-1-yl)-1,3-benzoxazole-4-carbonitrileAusbeute 29,5 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 679
Dimethyl Sulfoxide
Lösungsmittel
HCID 6344DichloromethaneLösungsmittel

Reaktionsbedingungen

Temperatur
150 °C

Versuchsvorschrift

7-Fluoro-5-methyl-6-phenyl-2-(pyrrolidin-1-yl)-1,3-benzoxazole-4-carbonitrile (I-135) (0.10 g, 0.31 mmol) was suspended in dimethyl sulfoxide (3.5 ml), then triethylamine (90.0 μl, 0.65 mmol) and (3S)-3-(dimethylamino)pyrrolidine (88.0 μl, 0.69 mmol) were added, followed by stirring in a sealed tube at an external temperature of about 150° C. for 4 hours. This was diluted with dichloromethane, washed with water and saturated brine, and dried over anhydrous sodium sulfate. The solvent was evaporated away under reduced pressure, and the resulting residue was purified by preparative thin-layer chromatography (dichloromethane:methanol=20:1), then ether and a small amount of hexane were added, and the insoluble matter was collected by filtration to obtain a beige solid (38 mg, 29%).

Aufarbeitung

  1. washwashed with water and saturated brine
  2. dry with materialdried over anhydrous sodium sulfate
  3. customThe solvent was evaporated away under reduced pressure
  4. customthe resulting residue was purified by preparative thin-layer chromatography (dichloromethane:methanol=20:1)
  5. additionether and a small amount of hexane were added
  6. filtrationthe insoluble matter was collected by filtration

Quellen und Nachweise

ORD-Eintrag
ord-3ad14fca122b42588bc33ae949e6f99e
Quelldatensatz
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07737166B2

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