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3-(Dimethylamino)pyrrolidine → HCID 178489786, Verbindung

HRID 16868
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 16868
[CH3:1][N:2]([CH3:8])[CH:3]1[CH2:7][CH2:6][NH:5][CH2:4]1.Cl[C:10]1[N:11]=[CH:12][C:13]([C:16]([NH:18][C:19]2[NH:20][N:21]=[C:22]([CH2:24][CH2:25][C:26]3[CH:31]=[C:30]([O:32][CH3:33])[CH:29]=[C:28]([O:34][CH3:35])[CH:27]=3)[CH:23]=2)=[O:17])=[N:14][CH:15]=1>CS(C)=O.CO>[CH3:33][O:32][C:30]1[CH:31]=[C:26]([CH2:25][CH2:24][C:22]2[CH:23]=[C:19]([NH:18][C:16]([C:13]3[CH:12]=[N:11][C:10]([N:5]4[CH2:6][CH2:7][CH:3]([N:2]([CH3:8])[CH3:1])[CH2:4]4)=[CH:15][N:14]=3)=[O:17])[NH:20][N:21]=2)[CH:27]=[C:28]([O:34][CH3:35])[CH:29]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 2

HCID 27585193-(Dimethylamino)pyrrolidineHCID 178489782HCID 178489782, Verbindung

Produkt 1

HCID 178489786HCID 178489786, VerbindungAusbeute 80 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 679Dimethyl SulfoxideLösungsmittelHCID 887MethanolLösungsmittel

Versuchsvorschrift

N,N-dimethylpyrrolidin-3-amine (114 mg, 1.00 mmol) was added to 5-chloro-N-[5-[2-(3,5-dimethoxyphenyl)ethyl]-2H-pyrazol-3-yl]pyrazine-2-carboxamide (136 mg, 0.35 mmol) in anhydrous dimethylsulfoxide (1.75 ml) at 25° C. The resulting solution was stirred at room temperature for 20 mins. The reaction mixture was diluted with methanol (5.00 ml) and the crude product was purified by ion exchange chromatography, using a SCX column. The desired product was eluted from the column using 7M NH3/MeOH and fractions were evaporated to dryness to afford impure product as a brown oil. The crude product was purified by preparative HPLC, using decreasingly polar mixtures of water (containing 1% NH3) and MeCN as eluents. Fractions containing the desired compound were evaporated to dryness to afford the title compound (130 mg, 80%) as a white solid.

Aufarbeitung

  1. customthe crude product was purified by ion exchange chromatography
  2. washThe desired product was eluted from the column
  3. customwere evaporated to dryness
  4. customto afford impure product as a brown oil
  5. customThe crude product was purified by preparative HPLC
  6. additionFractions containing the desired compound
  7. customwere evaporated to dryness

Quellen und Nachweise

ORD-Eintrag
ord-e73953707a8b4a1080dff2a6335102dd
Quelldatensatz
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07737149B2

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