地衣
抗真菌
化学
三萜类
植物
立体化学
微生物学
生物
作者
Xiaoning Wang,Hai‐Juan Zhang,Dong‐Mei Ren,Mei Ji,Wen‐Tao Yu,Hong‐Xiang Lou
标识
DOI:10.1002/cbdv.200800054
摘要
Three novel fernane-type triterpenoids, lobarialides A-C (1-3, resp.), together with two known ones were isolated by antifungal bioassay-guided fractionation of the lichen Lobaria kurokawae. Their structures including configurations were established on the basis of extensive spectroscopic analyses, and that of 1 was confirmed by a single-crystal X-ray diffraction analysis. Antifungal tests of the five triterpenoids showed that the activity increased with the increment of the number of COO groups.
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