Bioorganic Chemistry p. 45 - 52 (2015)
Update date:2022-08-03
Topics:
Hoang, T. Kim-Dung
Huynh, T. Kim-Chi
Nguyen, Thanh-Danh
A series of O-alkyl and O-acyl flavonoid derivatives was synthesized in high efficiency. Alkylation and acylation of 5-hydroxyflavonoids showed that the low reactivity hydroxyl group, 5-OH, well reacted with strong reagents whereas with weaker reagents, the different products were obtained dependently on structural characteristic of ring C of respective flavonoid. In order to evaluate anti-inflammatory activity, all compounds were tested for in vitro inhibition of bovine serum albumin denaturation and in vivo inhibition of carrageenan-induced mouse paw edema. Among them, the compounds 3, 3b, 4b and 4c demonstrated more effective anti-inflammatory activity than standard drugs (diclofenac sodium and ketoprofen) in both tests. Meanwhile, the flavonoids 2, 2c, 3a and 4b displayed anti-proliferative activity against MCF-7 cell lines. Triacetyl derivative of hesperetin 4b inducing degradation of DNA in MCF-7 cells was observed.
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