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Triethylamine → N-{2-[4-(3,5-Dichlorobenzyl)-3,5-diethyl-I H-pyrazol-1-yl]ethyl}-1-methyl-1H-imidazole-4-sulfonamide

HRID 723602
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 723602
[Cl:1][C:2]1[CH:3]=[C:4]([CH:18]=[C:19]([Cl:21])[CH:20]=1)[CH2:5][C:6]1[C:7]([CH2:16][CH3:17])=[N:8][N:9]([CH2:13][CH2:14][NH2:15])[C:10]=1[CH2:11][CH3:12].[CH3:22][N:23]1[CH:27]=[C:26]([S:28](Cl)(=[O:30])=[O:29])[N:25]=[CH:24]1.C(N(CC)CC)C>CN(C)C=O>[Cl:1][C:2]1[CH:3]=[C:4]([CH:18]=[C:19]([Cl:21])[CH:20]=1)[CH2:5][C:6]1[C:7]([CH2:16][CH3:17])=[N:8][N:9]([CH2:13][CH2:14][NH:15][S:28]([C:26]2[N:25]=[CH:24][N:23]([CH3:22])[CH:27]=2)(=[O:30])=[O:29])[C:10]=1[CH2:11][CH3:12]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 8471TriethylamineHCID 27368871-methyl-1H-imidazole-4-sulfonyl chlorideHCID 99233572-[4-(3,5-Dichlorobenzyl)-3,5-diethyl-1h-pyrazol-1-yl]ethanamine

Produkt 1

HCID 10183664N-{2-[4-(3,5-Dichlorobenzyl)-3,5-diethyl-I H-pyrazol-1-yl]ethyl}-1-methyl-1H-imidazole-4-sulfonamideAusbeute 39 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228
Dimethylformamide
Lösungsmittel

Versuchsvorschrift

A solution of the amine of Example 43 (98 mg, 0.30 mmol) in dimethylformamide (3.75 ml) was treated with 1-methylimidazole-4-sulphonyl chloride (60 mg, 0.33 mmol) and triethylamine (46 μL, 0.33 mmol) and the resulting mixture was stirred at room temperature for 18 hours. The solution was concentrated under reduced pressure. The residue was partitioned between dichloromethane and saturated aqueous sodium hydrogencarbonate solution. The organic extract was dried over anhydrous magnesium sulphate, filtered and concentrated under reduced pressure. The crude material was purified by flash chromatography on silica gel eluting with dichloromethane:methanol (95:5, by volume) to afford the title compound (55 mg) as a white solid, m.p. 172–174° C.

Aufarbeitung

  1. concentrationThe solution was concentrated under reduced pressure
  2. customThe residue was partitioned between dichloromethane and saturated aqueous sodium hydrogencarbonate solution
  3. extractionThe organic extract
  4. dry with materialwas dried over anhydrous magnesium sulphate
  5. filtrationfiltered
  6. concentrationconcentrated under reduced pressure
  7. customThe crude material was purified by flash chromatography on silica gel eluting with dichloromethane:methanol (95:5, by volume)

Quellen und Nachweise

ORD-Eintrag
ord-4856364be44e4f07960c39787215773d
Quelldatensatz
uspto-grants-2006_11
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07141585B2

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