A multicomponent enzyme-catalyzed process is suggested for the synthesis of a novel series of 1,3,4-oxadiazole thioether derivatives with yields ranging from 65 to 94%. Novozym 435, the immobilized form of lipase B (CALB), was found to efficiently catalyze the reaction. The products were evaluated for antitumor activities against two cancer cell lines, HT-29 (human colorectal cancer cell) and HepG2 (human liver cancer cell), by MTT assays. Among them, two compounds exhibited higher antitumor activities, for both cell lines, compared to doxorubicin. molecular docking and computational ADME analysis were performed to propose a mode of action for the anti-cancer activities and to predict drug-likeness, respectively.
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