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Trifluoroacetic acid → 5-{1-[4-(4-Chloro-3-methyl-phenyl)-6-methyl-pyrimidin-2-yl]-1H-imidazol-4-yl}-thiophene-2-sulfonic acid amide

HRID 1989531
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1989531
C([NH:5][S:6]([C:9]1[S:10][C:11]([C:14]2[N:15]=[CH:16][N:17]([C:19]3[N:24]=[C:23]([C:25]4[CH:30]=[CH:29][C:28]([Cl:31])=[C:27]([CH3:32])[CH:26]=4)[CH:22]=[C:21]([CH3:33])[N:20]=3)[CH:18]=2)=[CH:12][CH:13]=1)(=[O:8])=[O:7])(C)(C)C.C(O)(C(F)(F)F)=O>ClCCl>[Cl:31][C:28]1[CH:29]=[CH:30][C:25]([C:23]2[CH:22]=[C:21]([CH3:33])[N:20]=[C:19]([N:17]3[CH:18]=[C:14]([C:11]4[S:10][C:9]([S:6]([NH2:5])(=[O:8])=[O:7])=[CH:13][CH:12]=4)[N:15]=[CH:16]3)[N:24]=2)=[CH:26][C:27]=1[CH3:32]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

4

Edukt 2

HCID 6422Trifluoroacetic acidHCID 602094505-{1-[4-(4-chloro-3-methyl-phenyl)-6-methyl-pyrimidin-2-yl]-1H-imidazol-4-yl}-thiophene-2-sulfonic acid tert-butyl amide

Produkt 1

HCID 574689975-{1-[4-(4-Chloro-3-methyl-phenyl)-6-methyl-pyrimidin-2-yl]-1H-imidazol-4-yl}-thiophene-2-sulfonic acid amideAusbeute 52 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

To a cooled and stirred solution of 5-{1-[4-(4-chloro-3-methyl-phenyl)-6-methyl-pyrimidin-2-yl]-1H-imidazol-4-yl}-thiophene-2-sulfonic acid tert-butyl amide (0.54 g) in dichloromethane (5 ml) was added TFA (5 ml) and the reaction mixture was allowed to stir at room temperature for 15 h. The mixture was evaporated to dryness and saturated NaHCO3 solution (10 ml) was added. The mixture was stirred at room temperature for 30 min, the precipitate was collected by filtration and washed with water. The crude product was further purified by flash chromatography on silica gel (ethyl acetate/heptane) and crystallization (THF/diethyl ether) to yield the title compound as a white solid (0.24 g, 52%). MS (ISP) 445.9 [(M+H)+]; mp 267° C. (dec.).

Aufarbeitung

  1. temperatureTo a cooled
  2. customThe mixture was evaporated to dryness and saturated NaHCO3 solution (10 ml)
  3. additionwas added
  4. stirringThe mixture was stirred at room temperature for 30 min
  5. filtrationthe precipitate was collected by filtration
  6. washwashed with water
  7. customThe crude product was further purified by flash chromatography on silica gel (ethyl acetate/heptane) and crystallization (THF/diethyl ether)

Quellen und Nachweise

ORD-Eintrag
ord-212d0d96d8cc4567a5a9c3aea172952c
Quelldatensatz
uspto-grants-2010_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07642264B2

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