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
中科院分区:
文献类型:
--
作者:
Jimenez-Romero, Carlos;Rodriguez, Abimael D.;Nam, Sangkil
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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