Synthesis of xanthone derivatives based on alpha-mangostin and their biological evaluation for anti-cancer agents

초록

A xanthone-derived natural product, alpha-mangostin is isolated from various parts of the mangosteen, Garcinia mangostana L. (Clusiaceae), a well-known tropical fruit. Novel xanthone derivatives based on a-mangostin were synthesized and evaluated as anti-cancer agents by cytotoxicity activity screening using 5 human cancer cell lines. Some of these analogs had potent to moderate inhibitory activities. The structure-activity relationship studies revealed that phenol groups on C3 and C6 are critical to anti-proliferative activity and C4 modification is capable to improve both anti-cancer activity and drug-like properties. Our findings provide new possibilities for further explorations to improve potency. (C) 2014 Elsevier Ltd. All rights reserved.

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