4-Bromophenyl isocyanate → 1-(4-Bromophenyl)-3-[6-(2,6-dichlorophenyl)-2-{[3-(4-methylpiperazin-1-yl)propyl]amino}pyrido[2,3-d]pyrimidin-7-yl]urea

Beteiligte Stoffe

Reaktionsschritte

6-(2,6-Dichlorophenyl)-N2 -[3-(4-methyl-piperazin-1-yl)-propyl]-pyrido[2,3-d]pyrimidine-2,7-diamine (1.0 g) from Example 36 was reacted with 0.44 g of 4-bromophenyl isocyanate according to the general procedure of Example 37 to give 0.97 g of 1-(4-Bromo-phenyl)-3-{6-(2,6-dichlorophenyl)-2-[3-(4-methylpiperazin-1-yl)-propylamino]-pyrido[2,3-d]pyrimidin-7-yl}-urea, ESMS (20/80 MeOH/CH3 CN+0.1% AcOH+DMSO): M+ +H=645; mp 171°-175° C.

Herkunft & Nachweise