Synthesis of novel alkyltriazole tagged pyrido(2,3-d)pyrimidine derivatives and their anticancer activity

A series of novel alkyltriazole tagged pyrido[2,3-d]pyrimidine derivatives 5 and 6 was prepared starting from 2,3-active functional pyridine 1 via cyclization, propargylation followed by reaction with alkyl or perfluoroalkyl azides under Sharpless conditions. All the compounds 5 and 6 were screened for anticancer activity against three cancer cell lines such as U937, THP-1 and Colo205. The promising compounds 5b and 5e have been identified.