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In this study, twenty containing ethylenediamine groups derivatives of oleanolic acid (OA) were synthesized, their structures were determined by 1H NMR, 13C NMR and HR-MS. The anti-tumor activities in HepG2 and SGC7901 cells were evaluated by MTT assay. The results showed that all compounds exhibited anti-tumor activity, compounds Ⅰ6, Ⅰ8 and Ⅰ9 exhibited significant anti-tumor activities with IC50 values of 16.7, 9.8 and 6.3 μmol·L-1, respectively. Molecular docking studies showed that compounds Ⅰ6-Ⅰ9 produce higher combining ability with VEGFR. Compound Ⅰ6-Ⅰ9 were further evaluated for the inhibitory activity against VEGFR-2, the result showed Ⅰ9 had a strong inhibitory effect on VEGFR with IC50 values of 0.56 μmol·L-1.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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