反应详情

Using the procedure outlined in Example 28 Step F, the title compound was prepared from 3-(4-methyl-piperazin-1-yl)-propylamine and 8-cyclohexyl-2-methanesulfonyl-5-oxo-5,8-dihydro-pyrido[2,3-d]pyrimidine-6-carboxylic acid ethyl ester (20 mg, 0.04 mmol). 8-Cyclohexyl-2-[3-(4-methyl-piperazin-1-yl)-propylamino]-5-oxo-5,8-dihydro-pyrido[2,3-d]pyrimidine-6-carboxylic acid ethyl ester was obtained as a white solid (17 mg, 80%). Mass Spectrum (LCMS, ESI pos.) Calcd. For C24H36N6O3: 457.28 (M+H). Found: 457.3.