2-(2-Phenylethyl)chromone-Sesquiterpene Hybrids from Agarwood of Aquilaria sinensis: Characterization and Biological Activity Evaluation
文献类型： 外文期刊
作者： Xu, Guan-Hua 1 ; Wang, Ya-Li 2 ; Wang, Hao 2 ; Chen, Hui-Qin 2 ; Dong, Wen-Hua 2 ; Huang, Sheng-Zhuo 2 ; Cai, Cai-Hong 2 ; Yuan, Jing-Zhe 2 ; Mei, Wen-Li 2 ; Liu, Shou-Bai 1 ; Dai, Hao-Fu 2 ;
作者机构： 1.Hainan Univ, Coll Trop Agr & Forestry, Key Lab Genet & Germplasm Innovat Trop Special For, Minist Educ, Danzhou 571737, Peoples R China
2.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Key Lab Nat Prod Res & Dev Li Folk Med Hainan Prov, Haikou 571101, Peoples R China
关键词： Hainan agarwood; 2-(2-phenylethyl)chromone-sesquiterpene hybrids; structure elucidation; anti-inflammatory activity; neuroprotective activity; cytotoxic activity
期刊名称：MOLECULES （ 影响因子：4.6； 五年影响因子：5.0 ）
ISSN：
年卷期： 2025 年 30 卷 9 期
页码：
收录情况： SCI
摘要： Aquisinenins G-I (1-3), three new 2-(2-phenylethyl)chromone-sesquiterpene hybrids, were isolated from the ethanol extract of Hainan agarwood derived from Aquilaria sinensis. Spectroscopic techniques, such as 1D and 2D NMR and HRESIMS, were used to determine their structures. Experimental and computed ECD data were compared to confirm their absolute configurations. Compounds 1-3 are uncommon dimeric derivatives of 2-(2-phenylethyl)chromone-sesquiterpene, characterized by the fusion of 5,6,7,8-tetrahydro-2-(2-phenylethyl)chromone with agarofuran or agarospirane-type sesquiterpene units by an ester linkage. Compound 1 inhibited nitric oxide production in lipopolysaccharide-stimulated RAW264.7 cells, showing an IC50 value of 22.31 +/- 0.42 mu M. The neuroprotective effects of compounds 1 and 3 against H2O2-induced apoptosis were assessed in human neuroblastoma SH-SY5Y cells. Compound 1 demonstrated cytotoxicity with IC50 values of 72.37 +/- 0.20 mu M against K562 and 61.47 +/- 0.22 mu M against BEL-7402, while compounds 2 and 3 showed cytotoxicity across all five tested human cancer cell lines.
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