Reaktion #3561

Reaktionsgleichung

6-(2,3-dimethyl-phenyl)-pyrido[2,3-d]pyrimidine-2,7-diamine

6-(2,3-Dimethyl-phenyl)-pyrido[2,3-d]pyrimidine-2,7-diamine

tert-butyl isocyanate

→

title compound

1-[2-Amino-6-(2,3-dimethyl-phenyl)-pyrido[2,3-d]pyrimidin-7-yl]-3-tert-butyl-urea

Reaktionsbedingungen

Aufarbeitung

1. 1
   SonstigeThe product was purified by MPLC
2. 2
   Wascheneluting with a gradient of CHCl3 :EtOAc (2:1) to CHCl3 :EtOAc (1:1)

Vorschrift

The title compound was prepared from 0.5007 g of 6-(2,3-dimethyl-phenyl)-pyrido[2,3-d]pyrimidine-2,7-diamine from Example 92 and 0.23 mL tert-butyl isocyanate according to Example 2. The product was purified by MPLC eluting with a gradient of CHCl3 :EtOAc (2:1) to CHCl3 :EtOAc (1:1); mp 326°-330° C., MS(CI).

Quelle