期刊
FITOTERAPIA
卷 135, 期 -, 页码 107-113出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.fitote.2019.04.014
关键词
Trichoderma; Terpene; Sesquiterpene; Bisabolane; Norbisabolane
资金
- National Natural Science Foundation of China [31670355]
- Natural Science Foundation for Distinguished Young Scholars of Shandong Province [JQ201712]
- Science and Technology Service Network Initiative of the CAS [KFJ-STS-ZDTP-023]
- Key Cutting -Edge Research Program of the CAS [QYZDB-SSW-DQC013]
- Youth Innovation Promotion Association of the CAS [2013138]
An examination of the endophytic fungus Trichoderma aspereliwn A-YMD-9-2 obtained from the marine red alga Gracilaria verrucosa led to the isolation of seven new chromanoid norbisabolane derivatives, trichobisabolins I-L (1-4) and trichaspsides C-E (5-7). Their structures and relative configurations were established on the basis of spectroscopic techniques, mainly including 1D/2D NMR and MS, and the absolute configuration of 1 was assigned by X-ray crystallographic analysis using Cu K alpha radiation. All of these isolates feature a 1,9-epoxy ring system, and 5-7 represent the second occurrence of norbisabolane aminoglycosides. Compounds 1-7 exhibited potent inhibition of several marine phytoplankton species.
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