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

HRID 1928217
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1928217
C([NH:5][S:6]([C:9]1[CH:14]=[CH:13][CH:12]=[C:11]([C:15]2[CH:20]=[C:19]([C:21]3[N:26]=[C:25]([C:27]4[CH:32]=[CH:31][C:30]([Cl:33])=[C:29]([Cl:34])[CH:28]=4)[CH:24]=[C:23]([C:35]([F:38])([F:37])[F:36])[N:22]=3)[CH:18]=[CH:17][N:16]=2)[CH:10]=1)(=[O:8])=[O:7])(C)(C)C.C(O)(C(F)(F)F)=O>ClCCl>[Cl:34][C:29]1[CH:28]=[C:27]([C:25]2[CH:24]=[C:23]([C:35]([F:36])([F:38])[F:37])[N:22]=[C:21]([C:19]3[CH:18]=[CH:17][N:16]=[C:15]([C:11]4[CH:10]=[C:9]([S:6]([NH2:5])(=[O:7])=[O:8])[CH:14]=[CH:13][CH:12]=4)[CH:20]=3)[N:26]=2)[CH:32]=[CH:31][C:30]=1[Cl:33]
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Komponenten

4

Edukt 2

HCID 6422Trifluoroacetic acidHCID 602094423-{4-[4-(3,4-Dichloro-phenyl)-6-trifluoromethyl-pyrimidin-2-yl]-pyridin-2-yl}-benzenesulfonic acid tert-butylamide

Produkt 1

HCID 574689633-{4-[4-(3,4-Dichloro-phenyl)-6-trifluoromethyl-pyrimidin-2-yl]-pyridin-2-yl}-benzenesulfonamideAusbeute 75,6 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

To a cooled and stirred solution of 3-{4-[4-(3,4-dichloro-phenyl)-6-trifluoromethyl-pyrimidin-2-yl]-pyridin-2-yl}-benzenesulfonic acid tert-butylamide (0.41 g) in dichloromethane (6 mL) was added TFA (6 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 (5 mL), diethyl ether and heptane were added. The mixture was stirred at room temperature for 1 h, the precipitate was collected by filtration and further purified by flash chromatography (heptane/ethyl acetate) and crystallization (THF/hexane) to yield the title compound as an off-white solid (0.28 g, 54%). MS (ISP) 523.1 [(M−H)−]; mp 247° C.

Aufarbeitung

  1. temperatureTo a cooled
  2. customThe mixture was evaporated to dryness and saturated NaHCO3 solution (5 mL), diethyl ether and heptane
  3. additionwere added
  4. stirringThe mixture was stirred at room temperature for 1 h
  5. filtrationthe precipitate was collected by filtration
  6. customfurther purified by flash chromatography (heptane/ethyl acetate) and crystallization (THF/hexane)

Quellen und Nachweise

ORD-Eintrag
ord-83824cf0aa7c4328a6622d06cfa71f11
Quelldatensatz
uspto-grants-2012_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08183262B2

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