Reaktion #705099

ord-09bd95e5fe0a4838a286403a0ec5377c

Lösungsmittel

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    Sonstige(Prepared by the method of U.S
  2. 2
    TemperaturThe mixture is heated
  3. 3
    Temperaturat reflux for 4 hours
  4. 4
    Temperaturcooled
  5. 5
    Waschenthe insoluble product washed with diethylether

Vorschrift

(Prepared by the method of U.S. Pat. No. 3,534,039). To a solution of sodium 2-ethoxyethoxide prepared from 0.14 g of sodium and 60 mL of 2-ethoxyethanol was added 2.07 g of 2,4-diamino-5-pyrimidinecarboxaldehyde and 2.79 g of 2,6-dichlorophenylacetonitrile. The mixture is heated at reflux for 4 hours, cooled, and the insoluble product washed with diethylether to give 2,7-diamino-6-(2,6-dichlorophenyl)-pyrido[2,3-d]pyrimidine, mp 325-332° C. (MS).

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US05952342uspto-grants-1999_09