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Sodium Thiosulfate → N-[5-chloro-2-(2-fluoro-6-methoxy-benzoyl)-pyridin-3-yl]-N-methoxymethyl-3-trifluoromethyl-benzenesulfonamide

HRID 1438473
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1438473
[Cl:1][C:2]1[CH:3]=[C:4]([N:19]([CH2:33][O:34][CH3:35])[S:20]([C:23]2[CH:28]=[CH:27][CH:26]=[C:25]([C:29]([F:32])([F:31])[F:30])[CH:24]=2)(=[O:22])=[O:21])[C:5]([CH:8]([C:10]2[C:15]([O:16][CH3:17])=[CH:14][CH:13]=[CH:12][C:11]=2[F:18])[OH:9])=[N:6][CH:7]=1.CC(OI1(OC(C)=O)(OC(C)=O)OC(=O)C2C=CC=CC1=2)=O.[O-]S([O-])(=S)=O.[Na+].[Na+].C([O-])(O)=O.[Na+]>C(Cl)Cl>[Cl:1][C:2]1[CH:3]=[C:4]([N:19]([CH2:33][O:34][CH3:35])[S:20]([C:23]2[CH:28]=[CH:27][CH:26]=[C:25]([C:29]([F:31])([F:30])[F:32])[CH:24]=2)(=[O:21])=[O:22])[C:5]([C:8](=[O:9])[C:10]2[C:15]([O:16][CH3:17])=[CH:14][CH:13]=[CH:12][C:11]=2[F:18])=[N:6][CH:7]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 24477Sodium ThiosulfateHCID 159087TriacetoxyperiodinaneHCID 516892Sodium BicarbonateHCID 57942520N-{5-chloro-2-[(2-fluoro-6-methoxy-phenyl)-hydroxy-methyl]-pyridin-3-yl}-N-methoxymethyl-3-trifluoromethyl-benzenesulfonamide

Produkt 1

HCID 57942244N-[5-chloro-2-(2-fluoro-6-methoxy-benzoyl)-pyridin-3-yl]-N-methoxymethyl-3-trifluoromethyl-benzenesulfonamide

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

A mixture of N-{5-chloro-2-[(2-fluoro-6-methoxy-phenyl)-hydroxy-methyl]-pyridin-3-yl}-N-methoxymethyl-3-trifluoromethyl-benzenesulfonamide (0.38 g) and Dess-Martin reagent (0.90 g, 2.1 mmol) in CH2Cl2 (15 mL) at room temperature was stirred for 5 h. A mixture of 10% aqueous Na2S2O3 (10 mL) and saturated aqueous NaHCO3 (10 mL) was then added and the biphasic mixture vigorously stirred for 30 min. The organic phase was then separated and the aqueous portion was extracted with CH2Cl2. The combined organic extracts were washed with saturated aqueous NaHCO3 and brine, dried (Na2SO4), and filtered. The filtrate was concentrated under reduced pressure and the residue purified by chromatography on silica gel using ethyl acetate-hexane to provide N-[5-chloro-2-(2-fluoro-6-methoxy-benzoyl)-pyridin-3-yl]-N-methoxymethyl-3-trifluoromethyl-benzenesulfonamide. MS m/z 555.1 (M+Na).

Aufarbeitung

  1. additionwas then added
  2. stirringthe biphasic mixture vigorously stirred for 30 min
  3. customThe organic phase was then separated
  4. extractionthe aqueous portion was extracted with CH2Cl2
  5. washThe combined organic extracts were washed with saturated aqueous NaHCO3 and brine
  6. dry with materialdried (Na2SO4)
  7. filtrationfiltered
  8. concentrationThe filtrate was concentrated under reduced pressure
  9. customthe residue purified by chromatography on silica gel

Quellen und Nachweise

ORD-Eintrag
ord-32909f1c4bb647758f344de69f94d857
Quelldatensatz
uspto-grants-2009_11
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07622583B2

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