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3-Methanesulfonyloxy-1-(4-phenylcarbamoyl-1,3-thiazol-2-yl)azetidine → HCID 22242895, Verbindung

HRID 891622
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 891622
CS(O[CH:6]1[CH2:9][N:8]([C:10]2[S:11][CH:12]=[C:13]([C:15](=[O:23])[NH:16][C:17]3[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=3)[N:14]=2)[CH2:7]1)(=O)=O.[C:24]([O-:27])(=[S:26])[CH3:25].[K+]>CN(C)C=O>[C:24]([S:26][CH:6]1[CH2:7][N:8]([C:10]2[S:11][CH:12]=[C:13]([C:15](=[O:23])[NH:16][C:17]3[CH:18]=[CH:19][CH:20]=[CH:21][CH:22]=3)[N:14]=2)[CH2:9]1)(=[O:27])[CH3:25]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

4

Edukt 2

HCID 222427673-Methanesulfonyloxy-1-(4-phenylcarbamoyl-1,3-thiazol-2-yl)azetidineHCID 23670855Potassium ethanethioate

Produkt 1

HCID 22242895HCID 22242895, VerbindungAusbeute 70 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Reaktionsbedingungen

Temperatur
90 °C

Versuchsvorschrift

To a solution of 3-methanesulfonyloxy-1-(4-phenylcarbamoyl-1,3-thiazol-2-yl)azetidine (1.28 g, 3.85 mmol) (obtained as described in Reference Example 32(3)) in dimethylformamide (40 ml) was added potassium thioacetate (2.60 g, 23.1 mmol) at room temperature. The mixture was stirred in an oil bath (90° C.) for 3 hours. After checking the completion of the reaction, the reaction mixture was partitioned between ethyl acetate and 10% aqueous sodium chloride solution. The organic layer was washed successively with saturated aqueous sodium hydrogencarbonate solution and saturated aqueous sodium chloride solution, dried over anhydrous sodium sulfate, filtered and concentrated under reduced pressure. The residue was purified by chromatography on a silica gel column using hexane:ethyl acetate (1:2) as the eluant to afford 3-acetylthio-1-(4-phenylcarbamoyl-1,3-thiazol-2-yl)azetidine (893 mg, yield 70%) as a pale brown solid.

Aufarbeitung

  1. customat room temperature
  2. customthe completion of the reaction
  3. customthe reaction mixture was partitioned between ethyl acetate and 10% aqueous sodium chloride solution
  4. washThe organic layer was washed successively with saturated aqueous sodium hydrogencarbonate solution and saturated aqueous sodium chloride solution
  5. dry with materialdried over anhydrous sodium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated under reduced pressure
  8. customThe residue was purified by chromatography on a silica gel column

Quellen und Nachweise

ORD-Eintrag
ord-85374bba2929463885b5e13e9e03a2a6
Quelldatensatz
uspto-grants-2006_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07001897B2

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