反応 #3556

ord-ab63274be3c343d394a72d185205b8f1

反応条件

詳細条件
See reaction.notes.procedure_details.

後処理

  1. 1
    その他The product was purified by MPLC
  2. 2
    洗浄eluting with a gradient of CHCl3 :EtOAc (1:1) to EtOAc
  3. 3
    その他to afford the pure product

実験手順

The title compound was prepared from 0.25 g of 6-(2,6-dibromo-phenyl)-pyrido[2,3-d]pyrimidine-2,7-diamine from Example 60 and 0.077 mL of tert-butyl isocyanate according to Example 2. The product was purified by MPLC eluting with a gradient of CHCl3 :EtOAc (1:1) to EtOAc to afford the pure product; mp >300° C. (dec).

出典

DOI: 10.6084/m9.figshare.5104873.v1特許: US05733913uspto-grants-1998_03