Biologically active new metabolites from a Florida collection of Moorea producens.

Biologically active new metabolites from a Florida collection of Moorea producens.
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DOI:
10.1080/14786419.2016.1207074
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发表时间:
2017-03
影响因子:
2.2
通讯作者:
Gerwick WH
Gerwick WH
中科院分区:
化学3区
文献类型:
--
作者:
Sabry OM;Goeger DE;Gerwick WH

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对佛罗里达州基韦斯特的莫雷阿岛农产品进行的生物测定引导调查(癌细胞细胞毒性)发现了两种新的生物活性天然产物 [(+)-mallyngamide Y 和环状缩酚肽 (+)-floridamide]。它们的平面结构是通过对一维和二维核磁共振波谱数据的广泛分析推导出来的,并得到了 HRFAB 质谱的支持。新的环缩肽含有四个氨基酸单元,包括N-甲基苯丙氨酸(N-MePhe)、脯氨酸(Pro)、缬氨酸(Val)和丙氨酸(Ala),以及独特的单元2,2-二甲基-3-羟基辛酸(Dhoaa)。除了发现这两种新化合物外,还从该蓝藻集合中分离并鉴定了两种先前报道的代谢物; (−)-C-12 lyngbic 酸和抗菌剂 (−)-malinggolide。
A bioassay guided investigation (cancer cell cytotoxicity) of a Moorea producens collection from Key West, Florida, led to the discovery of two new bioactive natural products [(+)-malyngamide Y and a cyclic depsipeptide, (+)-floridamide]. Their planar structures were deduced through extensive analysis of 1D and 2D NMR spectroscopic data and supported by HRFAB mass spectrometry. The new cyclic depsipeptide contains four amino acids units, including N-methyl phenylalanine (N-MePhe), proline (Pro), valine (Val) and alanine (Ala), beside the unique unit, 2,2-dimethyl-3-hydroxy-octanoic acid (Dhoaa). In addition to the discovery of these two new compounds, two previously reported metabolites were also isolated and identified from this cyanobacterial collection; (−)-C-12 lyngbic acid and the antibacterial agent (−)-malyngolide.
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发表时间: 1985-01-01
影响因子: 3.6
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