Six new tetraprenylated alkaloids from the South China Sea gorgonian Echinogorgia pseudossapo.

Six new tetraprenylated alkaloids from the South China Sea gorgonian Echinogorgia pseudossapo.
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南海柳珊瑚中六种新的四异戊二烯化生物碱

DOI:
10.3390/md12020672
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发表时间:
2014-01-27
期刊:
影响因子:
5.4
通讯作者:
Yin S
Yin S
中科院分区:
医学2区
文献类型:
--
作者:
Sun ZH;Cai YH;Fan CQ;Tang GH;Luo HB;Yin S

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从广东大亚湾的柳珊瑚Echinogorgia pseudossapo中分离得到6个新的四异戊二烯化生物碱,命名为malonganenones L-Q(1-6)。通过广泛的光谱分析确定了1-6的结构,其特征在于次黄嘌呤核心中的N-3处的甲基和N-7处的四异戊二烯基链。测试化合物1-6对磷酸二酯酶(PDE)-4D,5A和9A的抑制活性,化合物1和6对PDE 4D表现出中等抑制活性,IC 50值分别为8.5和20.3 μM。
Six new tetraprenylated alkaloids, designated as malonganenones L–Q (1–6), were isolated from the gorgonian Echinogorgia pseudossapo, collected in Daya Bay of Guangdong Province, China. The structures of 1–6 featuring a methyl group at N-3 and a tetraprenyl chain at N-7 in the hypoxanthine core were established by extensive spectroscopic analyses. Compounds 1–6 were tested for their inhibitory activity against the phosphodiesterases (PDEs)-4D, 5A, and 9A, and compounds 1 and 6 exhibited moderate inhibitory activity against PDE4D with IC50 values of 8.5 and 20.3 µM, respectively.
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