Abstract
Betulin was converted to the corresponding alkyne-functionalized esters and amides and subsequently deployed as substrates for a ‘click’ chemistry-mediated coupling with 3'-azido-3'-deoxythydimine (AZT) to furnish a novel betulin–triazole–AZT hybrid compounds. Eleven new hybrids were thus successfully prepared and evaluated as cytotoxic agents, revealing an interesting anticancer activity in KB and HepG2 cancer cell lines.
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