Recent Developments in the Synthesis of Antitumor-active Glycyrrhetinic Acid Derivatives

A serious flaw of many chemotherapeutics employed now for the (post-surgery) treatment of malignant tumors is their high cytotoxicity against vital organs. In addition, tumor cells that survive chemotherapy often show pronounced drug resistance against a wide range of therapeutics. Recently, glycyrrhetinic acid derivatives derived from a cheap and easy-to-obtain natural product have attracted pharmacological interest. Many derivatives of...