Reaktion #474930

ord-582e550b1c0843c6ac887a88aa81b446

Lösungsmittel

Reaktionsbedingungen

Temperatur
80°CELSIUS
Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    Temperaturthe mixture was heated
  2. 2
    SonstigeAfter completion of the reaction
  3. 3
    Filtrationthe precipitated solid was filtered out
  4. 4
    WaschenThe obtained solid was washed with water
  5. 5
    Sonstigedried

Vorschrift

N-(4-(6-Cyano-7-(3-(ethoxycarbonyl)propoxy)-4-quinolyl)oxy-2-fluorophenyl)-N′-(4-fluorophenyl)urea (800 mg) was dissolved in methanol (45 ml), 2N NaOH water (15 ml) was added, and the mixture was heated and stirred for 40 minutes at 80° C. After completion of the reaction, the reaction solution was poured into ice water and neutralized with 1N HCl, and the precipitated solid was filtered out. The obtained solid was washed with water and dried to obtain 230 mg of the title compound.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US08372981B2uspto-grants-2013_02