Abstract:New 5‐aminosalicylamide‐4‐thiazolinone hybrids (27) were efficiently synthesized, characterized, and evaluated to explore their structure–activity relationship as anticancer agents. The antiproliferative activities of the new hybrids were evaluated against eight cancer cell lines using the sulforhodamine B assay. The most potent compound (24b) possessed high selectivity on the tested cell lines in the low micromolar range, with much lower effects on normal fibroblast cells (IC50 > 50 µM). The cell lines der… Show more
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