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1.  Synthesis and Pro-Apoptotic Activity of Novel Glycyrrhetinic Acid Derivatives 
Chembiochem  2011;12(5):784-794.
Triterpenoids are used for medicinal purposes in many countries. Some, such as oleanolic and glycyrrhetinic acids, are known to be anti-inflammatory and anticarcinogenic. However, the biological activities of these naturally occurring molecules against their particular targets are weak, so the synthesis of new synthetic analogues with enhanced potency is needed. By combining modifications to both the A and C rings of 18βH-glycyrrhetinic acid, the novel synthetic derivative methyl 2-cyano-3,12-dioxo-18βH-olean-9(11),1(2)-dien-30-oate was obtained. This derivative displays high antiproliferative activity in cancer cells, including a cell line with a multidrug-resistance phenotype. It causes cell death by inducing the intrinsic caspase-dependent apoptotic pathway.
doi:10.1002/cbic.201000618
PMCID: PMC3085123  PMID: 21328513
antitumor agents; apoptosis; biological activity; glycyrrhetinic acid derivatives; medicinal chemistry

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