Reaktion #2174265

ord-47794402c36e46d48a85e147dce7bc35

Lösungsmittel

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    Temperaturcooled
  2. 2
    Sonstigeprecipitated solid
  3. 3
    Filtrationwas filtered off
  4. 4
    WaschenThe cake was washed with cold methanol
  5. 5
    Sonstigeair-dried

Vorschrift

4,2 g of (±)-2-amino-6-propylamino-4,5,6,7-tetrahydrobenzthiazole was dissolved in 15 mL of hot methanol and 1.65 mL of 36% hydrochloric acid was added. The obtained suspension was stirred, cooled and precipitated solid was filtered off. The cake was washed with cold methanol and air-dried to give 4.2 g of product with m.p. 273-282° C.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US06727367B2uspto-grants-2004_04