Benzene, 1-isocyanato-2-methoxy- → 6-Arylpyrido[2,3-d]pyrimidine deriv. 67

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Reaction Steps

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 0.334 of 2-methoxyphenyl isocyanate according to the general procedure of Example 37 to give 0.9232 g of 1-{6-(2,6-dichlorophenyl)-2-[3-(4-methyl-piperazin-1-yl)-propylamino]-pyrido[2,3-d]pyrimidin-7-yl}-3-(2-methoxy-phenyl)-urea, ESMS (20/80 MeOH/CH3CN+0.1% AcOH): M+ +H=595; mp 152.5-154° C.

Provenance & Evidence