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首页> 外文期刊>The Journal of Antibiotics: An International Journal >Two novel alkaloids from the South China Sea marine sponge Dysidea sp.
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Two novel alkaloids from the South China Sea marine sponge Dysidea sp.

机译:南海海洋海绵Dysidea sp。的两种新型生物碱。

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摘要

Two new alkaloids, dysideanins A (1) and B (2), along with two known diketopiperazines, cyclo-(Pro-Leu) (3) and cyclo-(Pro-Ile) (4), were isolated from the marine sponge Dysidea sp. The structures were established from NMR and MS analysis. Dysideanin B (2) exhibited antibacterial activity. The thiomethylated imidazolinium unit as found in dysideanin A is very rarely encountered in nature.
机译:从海洋海绵Dysidea中分离了两种新生物碱,dysideanins A(1)和B(2),以及两种已知的二酮哌嗪,cyclo-(Pro-Leu)(3)和cyclo-(Pro-Ile)(4)。 sp。由NMR和MS分析确定结构。 dysideanin B(2)表现出抗菌活性。 dysideanin A中发现的硫代甲基化的咪唑啉鎓单元在自然界很少见。

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