Abstract
A series of novel Schiff bases including 4-tert-butyl-5-benzyl-2-benzyliminothiazoles was synthesized by reacting the aromatic aldehydes with the corresponding 2-aminothiazoles. The antitumor bioassay revealed that compounds 2n and 2m exhibited potent cytotoxicity against human cervix cancer(HeLa) cell line with IC50 values of 0.001 and 0.007 mmol/L, respectively. The preliminary structure-activity relationship(SAR) investigations and the apoptosis evaluation suggest that 4-tert-butyl-5-benzyl-2-benzyliminothiazoles may be a satisfactory backbone for antitumor activity, and compound 2n can serve as an attractive candidate for the development of novel apoptosis in anticancer treatment.
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