Nitrogenous cyclonerane sesquiterpenes from an algicolous strain of Trichoderma asperellum

文献情報

出版日 2019-09-30

DOI 10.1039/C9QO00942F

インパクトファクター 5.281

著者

Feng-Ping Miao, Xiu-Li Yin, Nai-Yun Ji

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要旨

Cyclonerins A (1) and B (2) along with seven new congeners, deoxycyclonerins A–D (3–6), cyclonerinal (7), cyclonerizole (8), and cyclonerpyranol (9), were isolated from the culture of a marine algicolous strain (A-YMD-9-2) of Trichoderma asperellum. Their structures and absolute configurations were established by spectroscopic techniques, such as 1D/2D NMR, MS, ECD, and X-ray diffraction. Compounds 1–8, highlighted by the presence of an isoxazole ring in sesquiterpene 8, represent the first occurrence of nitrogenous cyclonerane derivatives, with 1 and 2 belonging to an unprecedented family of hydroxamic acids. The new isolates 1–9 exhibited potent inhibition of one or more marine phytoplankton species tested, and it is interesting that the ferric complexes of 1 and 2 feature higher activities than themselves.

掲載誌

Organic Chemistry Frontiers

CiteScore: 7.8

自己引用率: 8.7%

年間論文数: 724

Organic Chemistry Frontiers publishes high-quality research from across organic chemistry. Emphases are placed on studies that make significant contributions to the field of organic chemistry by reporting either new or significantly improved protocols or methodologies. Topics include, but are not limited to the following: Organic synthesis Development of synthetic methodologies Catalysis Natural products Functional organic materials Supramolecular and macromolecular chemistry Physical and computational organic chemistry

Nitrogenous cyclonerane sesquiterpenes from an algicolous strain of Trichoderma asperellum

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