Triterpenoids from Euphorbia maculata and Their Anti-Inflammatory Effects.

Triterpenoids from Euphorbia maculata and Their Anti-Inflammatory Effects.
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DOI:
10.3390/molecules23092112
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发表时间:
2018-08-22
期刊:
Molecules (Basel, Switzerland)
影响因子:
--
通讯作者:
Yasukawa K
Yasukawa K
中科院分区:
其他
文献类型:
--
作者:
Sun Y;Gao LL;Tang MY;Feng BM;Pei YH;Yasukawa K

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斑狼毒是大戟科的一种药用植物,可生产抗炎、抗癌的三萜类化学防腐剂。本文报道了该植物中具有生物活性的三萜类化合物。从大戟中分离得到两个新的羊毛烷型三萜化合物,分别命名为(3S,4S,7S,9R)-4-甲基-3,7-二羟基-7(8-→9)-异-羊毛-24(28)-烯-8-酮(1)和24-羟基过氧基-7,25-二烯-3-β-醇(2),以及15个已知的三萜衍生物。通过大量的波谱数据(UV、MS、~1H、~(13)C-核磁共振和~2D核磁共振)分析,确定了新化合物的结构。在小鼠双酚A致炎(1μg/耳)实验中,对所有四环三萜(1-11)的抗炎作用进行了评价。三萜类化合物具有显著的抗炎活性。
Euphorbia maculata is a medicinal plant of the Euphorbiaceae family, which can produce anti-inflammatory and cancer chemopreventive agents of triterpenoids. The present study reports on the bioactive triterpenoids of this plant. Two new lanostane-type triterpenoids, named (3S,4S,7S,9R)-4-methyl-3,7-dihydroxy-7(8→9) abeo-lanost-24(28)-en-8-one (1) and 24-hydroperoxylanost-7,25-dien-3β-ol (2), together with 15 known triterpene derivatives, were isolated from Euphorbia maculata. The structures of the new compounds were determined on the basis of extensive spectroscopic data (UV, MS, 1H and 13C-NMR, and 2D NMR) analysis. All tetracyclic triterpenoids (1–11) were evaluated for their anti-inflammatory effects in the test of TPA-induced inflammation (1 μg/ear) in mice. The triterpenes exhibited significant anti-inflammatory activities.
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