Plakortinic Acids A and B: Cytotoxic Cycloperoxides with a Bicyclo[4.2.0]octene Unit from Sponges of the Genera Plakortis and Xestospongia.

Plakortinic Acids A and B: Cytotoxic Cycloperoxides with a Bicyclo[4.2.0]octene Unit from Sponges of the Genera Plakortis and Xestospongia.
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DOI:
10.1021/acs.orglett.7b00547
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发表时间:
2017-03-17
期刊:
影响因子:
5.2
通讯作者:
Nam, Sangkil
Nam, Sangkil
中科院分区:
化学1区
文献类型:
--
作者:
Jimenez-Romero, Carlos;Rodriguez, Abimael D.;Nam, Sangkil

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Plakortinic Acids A(2)和B(3)是从海绵共生体Plakortis halichondrioides-Xestospongia deweerdtae中分离出的两种具有双环[4.2.0]辛烯单元的聚酮内过氧化物,与已知的epiplakinic Acid F(1)一起沿着。通过光谱分析确定了两种不可分离化合物混合物的结构。对两种人肿瘤细胞系的混合物的细胞毒活性的筛选显示,这些化合物在亚微摩尔浓度下非常活跃。
Plakortinic acids A (2) and B (3), two polyketide endoperoxides with a bicyclo[4.2.0]octene unit, were isolated as minor constituents from the sponge–sponge symbiotic association Plakortis halichondrioides–Xestospongia deweerdtae, along with known epiplakinic acid F (1). The structures of the mixture of two inseparable compounds were determined by spectroscopic analysis. Screening for cytotoxic activity of the mixture against two human tumor cell lines revealed that these compounds are very active at sub-micro molar concentration.
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