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Trifluoroacetic acid → 4-{1-[4-(3,4-Dichloro-phenyl)-6-trifluoromethyl-pyrimidin-2-yl]-1H-imidazol-4-yl}-benzenesulfonamide

HRID 1989510
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1989510
C([NH:5][S:6]([C:9]1[CH:14]=[CH:13][C:12]([C:15]2[N:16]=[CH:17][N:18]([C:20]3[N:25]=[C:24]([C:26]([F:29])([F:28])[F:27])[CH:23]=[C:22]([C:30]4[CH:35]=[CH:34][C:33]([Cl:36])=[C:32]([Cl:37])[CH:31]=4)[N:21]=3)[CH:19]=2)=[CH:11][CH:10]=1)(=[O:8])=[O:7])(C)(C)C.C(O)(C(F)(F)F)=O>ClCCl>[Cl:37][C:32]1[CH:31]=[C:30]([C:22]2[CH:23]=[C:24]([C:26]([F:27])([F:28])[F:29])[N:25]=[C:20]([N:18]3[CH:19]=[C:15]([C:12]4[CH:11]=[CH:10][C:9]([S:6]([NH2:5])(=[O:7])=[O:8])=[CH:14][CH:13]=4)[N:16]=[CH:17]3)[N:21]=2)[CH:35]=[CH:34][C:33]=1[Cl:36]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

4

Edukt 2

HCID 6422Trifluoroacetic acidHCID 57468979N-tert-Butyl-4-{1-[6-(3,4-dichloro-phenyl)-4-trifluoromethyl-pyrimidin-2-yl]-1H-imidazol-4-yl}-benzenesulfonamide

Produkt 1

HCID 574689784-{1-[4-(3,4-Dichloro-phenyl)-6-trifluoromethyl-pyrimidin-2-yl]-1H-imidazol-4-yl}-benzenesulfonamideAusbeute 80,4 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

To a cooled and stirred solution of N-tert-butyl-4-{1-[6-(3,4-dichloro-phenyl)-4-trifluoromethyl-pyrimidin-2-yl]-1H-imidazol-4-yl}-benzenesulfonamide (0.08 g) in dichloromethane (2 mL) was added TFA (2 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 (2.5 mL) and MeOH (2.5 mL) were 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 crystallization (dichloromethane/heptane/MeOH) to yield the title compound as a white solid (0.058 g, 11%). MS (ISN) 512.3 [(M−H)−]; mp 334° C.

Aufarbeitung

  1. temperatureTo a cooled
  2. customThe mixture was evaporated to dryness and saturated NaHCO3 solution (2.5 mL) and MeOH (2.5 mL)
  3. additionwere 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 crystallization (dichloromethane/heptane/MeOH)

Quellen und Nachweise

ORD-Eintrag
ord-d68cfbe72b2e4d55aac28f9c1cc76256
Quelldatensatz
uspto-grants-2010_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07642264B2

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