Abstract In an attempt to develop potent and selective anti-tumor drugs, a series of novel 2- amino-thiazole-5-carboxylic acid phenylamide derivatives were designed based on the structure of dasatinib. All compounds were synthesized by a systematic combinatorial chemical approach. Biological evaluation revealed that N-(2-chloro-6-methylphenyl)-2-(2-(4- methylpiperazin-1-yl) acetamido) thiazole-5-carboxamide (6d) exhibited high ...