Reaktion #3570

ord-2cf9bbec5bb141e9ab82db85d13180a8

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    SonstigeThe product was purified by medium pressure liquid chromatography
  2. 2
    Wascheneluting with a gradient of CHCl3 :EtOAc (2:1) to CHCl3 :EtOAc (1:1) to EtOAc

Vorschrift

The title compound was prepared from 0.50 g of 6-(3-methoxy-phenyl)-pyrido[2,3-d]pyrimidine-2,7-diamine from Example 102 and 0.23 mL tert-butyl isocyanate according to Example 2. The product was purified by medium pressure liquid chromatography eluting with a gradient of CHCl3 :EtOAc (2:1) to CHCl3 :EtOAc (1:1) to EtOAc; mp 275°-280° C.; MS(CI).

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US05733913uspto-grants-1998_03