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Triphenylphosphine Oxide → N-[2-(5-cyano-5-methyl-4,5-dihydro-1,3-thiazol-2-yl)-1H-indol-7-yl]-N-methylthiophene-2-sulfonamide

HRID 1994742
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1994742
C1(P(=O)(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.FC(F)(F)S(OS(C(F)(F)F)(=O)=O)(=O)=O.C([S:43][C:44]([C:69]#[N:70])([CH3:68])[CH2:45][NH:46][C:47]([C:49]1[NH:50][C:51]2[C:56]([CH:57]=1)=[CH:55][CH:54]=[CH:53][C:52]=2[N:58]([CH3:67])[S:59]([C:62]1[S:63][CH:64]=[CH:65][CH:66]=1)(=[O:61])=[O:60])=O)C1C=CC=CC=1.C(=O)([O-])O.[Na+]>C(#N)C>[C:69]([C:44]1([CH3:68])[S:43][C:47]([C:49]2[NH:50][C:51]3[C:56]([CH:57]=2)=[CH:55][CH:54]=[CH:53][C:52]=3[N:58]([CH3:67])[S:59]([C:62]2[S:63][CH:64]=[CH:65][CH:66]=2)(=[O:61])=[O:60])=[N:46][CH2:45]1)#[N:70]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 13097Triphenylphosphine OxideHCID 67749Trifluoromethanesulfonic anhydrideHCID 516892Sodium BicarbonateHCID 59136045HCID 59136045, Verbindung

Produkt 1

HCID 59135902N-[2-(5-cyano-5-methyl-4,5-dihydro-1,3-thiazol-2-yl)-1H-indol-7-yl]-N-methylthiophene-2-sulfonamideAusbeute 79,1 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6342AcetonitrileLösungsmittel

Versuchsvorschrift

To a solution of triphenylphosphine oxide (0.68 g) in acetonitrile (10 ml) was slowly added trifluoromethanesulfonic anhydride (0.21 ml) at 0° C., and the mixture was stirred for 10 min. N-[2-(Benzylthio)-2-cyanopropyl]-7-[methyl(2-thienylsulfonyl)amino]-1H-indole-2-carboxamide (0.43 g) was added, and the reaction mixture was stirred at 0° C. for 30 min. Saturated aqueous sodium hydrogencarbonate was added, and the mixture was extracted with ethyl acetate. The ethyl acetate layer was washed with saturated brine, dried (MgSO4), and concentrated. The residue was subjected to silica gel column chromatography to give the title compound (0.27 g, yield 79%) as colorless crystals from a fraction eluted with ethyl acetate-hexane (2:3, volume ratio). melting point 178-179° C.

Aufarbeitung

  1. customat 0° C.
  2. stirringthe reaction mixture was stirred at 0° C. for 30 min
  3. extractionthe mixture was extracted with ethyl acetate
  4. washThe ethyl acetate layer was washed with saturated brine
  5. dry with materialdried (MgSO4)
  6. concentrationconcentrated

Quellen und Nachweise

ORD-Eintrag
ord-0087566a667c4705aec03b0a054e261f
Quelldatensatz
uspto-grants-2010_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07652133B2

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