New Meroterpenoid and Isocoumarins from the Fungus Talaromyces amestolkiae MST1-15 Collected from Coal Area.

New Meroterpenoid and Isocoumarins from the Fungus Talaromyces amestolkiae MST1-15 Collected from Coal Area.
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煤区真菌 Talaromyces amestolkiae MST1-15 中新的类萜和异香豆素

DOI:
10.3390/molecules27238223
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发表时间:
2022-11-25
期刊:
Molecules (Basel, Switzerland)
影响因子:
--
通讯作者:
Xu GB
Xu GB
中科院分区:
其他
文献类型:
--
作者:
Li KY;Zhu QF;Ao JL;Wang FR;Long XM;Liao SG;Xu GB

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从产于美国的Talaromyces amestolkiae MST 1 -15的代谢产物中分离得到3个新化合物,包括1个meroterpenoid(1)和2个isocoumarins(8和9),以及13个已知化合物(2-7,10-16)。它们的结构通过光谱分析的组合进行了鉴定。通过实验和电子圆二色性计算确定了化合物1的绝对构型,通过Mo 2(OAc)4诱导圆二色性实验确定了化合物8和9的绝对构型.化合物7-16对嗜麦芽窄食单胞菌的MIC值为128 ~ 512 μg/mL,对头孢曲松钠和左氧氟沙星的MIC值分别为128和0.25 μg/mL。
Three new compounds including a meroterpenoid (1) and two isocoumarins (8 and 9), together with thirteen known compounds (2–7, 10–16) were isolated from the metabolites of Talaromyces amestolkiae MST1-15. Their structures were identified by a combination of spectroscopic analysis. The absolute configuration of compound 1 was elucidated on the basis of experimental and electronic circular dichroism calculation, and compounds 8 and 9 were determined by Mo2(OAc)4-induced circular dichroism experiments. Compounds 7–16 showed weak antibacterial activities against Stenotrophomonas maltophilia with MIC values ranging from 128 to 512 μg/mL (MICs of ceftriaxone sodium and levofloxacin were 128 and 0.25 μg/mL, respectively).
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发表时间: 2011-11-15
影响因子: 16.5
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