Triethylamine → 4-[3-(Butyrylamino)propylthio]pyridine

HRID 6090

Reaktionsgleichung

Reaktionsgleichung von HRID 6090
Cl.Cl.[NH2:3][CH2:4][CH2:5][CH2:6][S:7][C:8]1[CH:13]=[CH:12][N:11]=[CH:10][CH:9]=1.C(N(CC)CC)C.[C:21](Cl)(=[O:25])[CH2:22][CH2:23][CH3:24]>C(Cl)Cl>[C:21]([NH:3][CH2:4][CH2:5][CH2:6][S:7][C:8]1[CH:13]=[CH:12][N:11]=[CH:10][CH:9]=1)(=[O:25])[CH2:22][CH2:23][CH3:24]

Komponenten

5

Edukt 3

HCID 8471TriethylamineHCID 8855Butyryl chlorideHCID 190792594-(3-Aminopropylthio)pyridine dihydrochloride

Produkt 1

HCID 152952574-[3-(Butyrylamino)propylthio]pyridineAusbeute 91,1 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

To a solution of 700 mg (2.90 mmol) of 4-(3-aminopropylthio)pyridine dihydrochloride and 1.62 ml (11.6 mmol) of triethylamine in 30 ml of methylene chloride was added 0.36 ml (3.48 mmol) of butyryl chloride under ice-cooling with stirring and the mixture was stirred at room temperature for 30 minutes. The reaction mixture was washed with an aqueous saturated sodium bicarbonate solution and water and dried. The solvent was distilled off. The residue was purified by column chromatography (eluent: methanol/ethyl acetate=1:1) to obtain 630 mg of the desired compound (91.1%, pale yellow oil).

Aufarbeitung

  1. temperaturecooling
  2. stirringthe mixture was stirred at room temperature for 30 minutes
  3. washThe reaction mixture was washed with an aqueous saturated sodium bicarbonate solution and water
  4. customdried
  5. distillationThe solvent was distilled off
  6. customThe residue was purified by column chromatography (eluent: methanol/ethyl acetate=1:1)

Quellen und Nachweise

ORD-Eintrag
ord-4a1694bb3df64335856b4b663a854296
Quelldatensatz
uspto-grants-1993_09
Patentnummer
US05246948

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