tert-Butyl isocyanate → 1-[2-Amino-6-(2-bromo-6-chlorophenyl)pyrido[2,3-d]pyrimidin-7-yl]-3-tert-butylurea

Participants

Reaction Steps

The title compound was prepared using 0.30 g of 6-(2-bromo-6-chloro-phenyl)-pyrido[2,3-d]pyrimidine-2,7-diamine from Example 104 and 0.105 mL of tert-butyl isocyanate according to Example 2. The product was purified by MPLC eluting with 1:1CHCl3 :EtOAc; mp 314° C. (dec); MS(CI).

Provenance & Evidence