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首页> 外文期刊>The Journal of Antibiotics: An International Journal >Cytosine-type nucleosides from marine-derived Streptomyces rochei 06CM016
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Cytosine-type nucleosides from marine-derived Streptomyces rochei 06CM016

机译:海洋来源的罗氏链霉菌06CM016的胞嘧啶核苷

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摘要

Rocheicoside A (3), a nucleoside analog possessing a novel 5-(hydroxymethyl)-5-methylimidazolidin-4-one substructure, was isolated from marine-derived actinomycete Streptomyces rochei 06CM016, together with a new (4) and three known compounds. Structures of the new metabolites were elucidated by one-dimensional (H-1 and C-13) and 2D NMR (COSY, HMQC and HMBC) and HR-TOF-MS analyses. All the metabolites exhibited significant antimicrobial activity. A plausible mechanism was proposed for compound 3's formation from amicetin.
机译:从海洋来源的放线菌罗氏链霉菌06CM016中分离出一种具有新型5-(羟甲基)-5-甲基咪唑啉酮-4-一亚结构的核苷类似物Rocheicoside A(3),以及一种新的(4)和三种已知化合物。通过一维(H-1和C-13)和2D NMR(COSY,HMQC和HMBC)和HR-TOF-MS分析阐明了新代谢物的结构。所有代谢物均显示出显着的抗菌活性。有人提出了从阿米斯汀形成化合物3的合理机制。

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