A new compound from liquid fermentation broth of Armillaria mellea and the determination of its absolute configuration

A new compound from liquid fermentation broth of Armillaria mellea and the determination of its absolute configuration
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蜜环菌液体发酵液中的一新化合物及其绝对构型测定

DOI:
10.1080/10286020.2012.751977
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发表时间:
2013-02
影响因子:
1.7
通讯作者:
Huang, Yan-Xin
Huang, Yan-Xin
中科院分区:
医学4区
文献类型:
--
作者:
Li, Yu-Xin;Zhang, Yu-Wei;Zheng, Li-Hua;Bao, Yong-Li;Wu, Yin;Yu, Chun-Lei;Sun, Lu-Guo;Zhang, Yu;Huang, Yan-Xin

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从蜜环菌液体发酵液的乙酸乙酯提取物中分离出一个新的2,5-二酮哌嗪、(R)-2-(2-(呋喃-2-基)-氧代乙基)-八氢吡咯并[1,2-a]吡嗪-1,4-二酮和七种已知化合物。根据 NMR 和 HR-MS 数据确定了分离化合物的结构。通过将实验电子圆二色性 (ECD) 光谱与计算的 ECD 数据进行比较,确定了新化合物的绝对构型。
A new 2,5-diketopiperazine, (R)-2-(2-(furan-2-yl)-oxoethyl)-octahydropyrrolo[1,2-a]pyrazine-1,4-dione, and seven known compounds were isolated from the ethyl acetate extract of liquid fermentation broth of Armillaria mellea. The structures of the isolated compounds were established from NMR and HR-MS data. The absolute configuration of the new compound was established by comparing the experimental electronic circular dichroism (ECD) spectrum with the calculated ECD data.
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