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首页> 外文期刊>Natural product research >Purification and structure elucidation of three naturally bioactive molecules from the new terrestrial Streptomyces sp. TN17 strain.
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Purification and structure elucidation of three naturally bioactive molecules from the new terrestrial Streptomyces sp. TN17 strain.

机译:纯化和结构解析从三个新的地面链霉菌属的三个天然生物活性分子。 TN17株。

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摘要

Thirty litres of fermentation broth was extracted from the newly isolated Streptomyces sp. strain TN17 and various separation and purification steps led to the isolation of three pure bioactive compounds (1-3). Compound 1: cyclo (L-Leu-L-Arg), a diketopiperazine 'DKP' derivative; 2: di-(2-ethylhexyl) phthalate, a phthalate derivative; and 3: cyclo 1-[2-(cyclopentanecarbonyl-3-phenyl-propionyl]-pyrrolidine-2-carboxylic acid (1-carbamoyl-propyl)-amide, a cyclic tetrapeptide derivative. The chemical structure of these three active compounds was established on the basis of spectroscopic studies (MS and NMR) and by comparison with data from the literature. According to our biological studies, the pure compounds (1-3) possess antibacterial and antifungal activities.
机译:从新分离的链霉菌属菌种中提取了30升发酵液。菌株TN17和各种分离和纯化步骤导致分离出三种纯生物活性化合物(1-3)。化合物1:环(L-Leu-L-Arg),二酮哌嗪“ DKP”衍生物; 2:邻苯二甲酸二(2-乙基己基)酯,一种邻苯二甲酸酯衍生物; 3:环状四肽衍生物环1- [2-(环戊烷羰基-3-苯基-丙酰基)-吡咯烷-2-羧酸(1-氨基甲酰基-丙基)-酰胺,确定了这三种活性化合物的化学结构根据光谱研究(MS和NMR)并与文献数据进行比较,根据我们的生物学研究,纯化合物(1-3)具有抗菌和抗真菌活性。

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