Abstract
Here we describe ring opening reaction of a novel halo triene derivative viz., (3S, 5aS)-8-chloro-3a, 4, 5, 5a-tetrahydro-3, 5a, 9-trimethylnaphtho [1, 2-b] furan-2(3H)-one of α-santonin upon nucleophillic attack with alcohols. Halo-triene was synthesized from α-santonin upon reaction with vilsmeier reagent. The synthesized compounds from ring opening reaction were evaluated for anticancer activity against a panel of four human cancer cell lines (A-549, THP-1, HCT-15, and IMR-13). Most of the compounds exhibited promising anticancer activity against all cancer cells in vitro; however compound. 3d with benzyl substitution showed most potent anticancer activity with an IC50 value of 0.3, 0.51, 0.6 and 0.23 μM against A-549, THP-1, HCT-116 and IMR-13 cell lines respectively.
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