Reaktion #705163

ord-67e818e9a3ab468981317fb35cf20535

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    SonstigeThe product was purified by medium pressure liquid chromatography
  2. 2
    Wascheneluting with 1:1 CHCl3

Vorschrift

The title compound was prepared from 0.25 g of 6-(2,4,6-trimethyl-phenyl)-pyrido[2,3-d]pyrimidine-2,7-diamine from Example 96 and 0.109 mL of tert-butyl isocyanate according to Example 2. The product was purified by medium pressure liquid chromatography eluting with 1:1 CHCl3 :EtOAc; mp 281-297° C.; CIMS (1% ammonia in methane): m/z (relative intensity) 379 (MH+ +1, 100), 380 (MH+ +2, 23).

Quelle

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