Two new derivatives of 2, 5-dihydroxyphenylacetic acid from the kernel of Entada phaseoloides.

Two new derivatives of 2, 5-dihydroxyphenylacetic acid from the kernel of Entada phaseoloides.
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菜豆仁中 2, 5-二羟基苯乙酸的两种新衍生物。

DOI:
10.3390/molecules18021477
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发表时间:
2013-01-25
期刊:
Molecules (Basel, Switzerland)
影响因子:
--
通讯作者:
Zou Z
Zou Z
中科院分区:
其他
文献类型:
--
作者:
Chen L;Zhang Y;Ding G;Ba M;Guo Y;Zou Z

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从紫翅藤(Entada phaseoloides)种仁的乙醇提取物中分离得到2个新的芳香族化合物:2,5-二羟基苯乙酸丁酯(1)和2-O-β-D-吡喃葡萄糖氧基-5-二羟基苯乙酸丁酯(2),以及3个已知化合物:2,5-二羟基苯乙酸甲酯(3)、2,5-二羟基苯乙酸乙酯(4)和2-O-β-D-吡喃葡萄糖氧基-5-羟基苯乙酸(5)。新化合物的结构经MS和NMR确证。化合物1、3和4对HIV-1的复制具有较强的抑制活性,其EC 50值分别为9.80 μM、11.70 μM和9.93 μM。
Two new aromatic compounds, butyl 2,5-dihydroxyphenylacetate (1) and butyl 2-O-β-D-glucopyranosyloxy-5-dihydroxyphenylacetate (2), together with three known ones, methyl 2,5-dihydroxyphenylacetate (3), ethyl 2,5-dihydroxyphenylacetate (4) and 2-O-β-D-glucopyranosyloxy-5-hydroxyphenylacetic acid (5), were isolated from the EtOH extract of the kernel of Entada phaseoloides. The structures of the new compounds were elucidated by MS and NMR experiments. Compounds 1, 3 and 4 displayed potent inhibitory activities against HIV-1 replication, with EC50 values of 9.80 μM, 11.70 μM and 9.93 μM, respectively.
DOI: 10.4297/najms.2011.3513
发表时间: 2011-11
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