Cytorhizophins A and B, benzophenone-hemiterpene adducts from the endophytic fungus Cytospora rhizophorae

被引：27

作者：

Liu, Hongxin ^{[1
]}

Tan, Haibo ^{[2
]}

Wang, Wenxuan ^{[3
]}

Zhang, Wenge ^{[2
]}

Chen, Yuchan ^{[1
]}

Li, Saini ^{[1
]}

Liu, Zhaoming ^{[1
]}

Li, Haohua ^{[1
]}

Zhang, Weimin ^{[1
]}

机构：

[1] Guangdong Inst Microbiol, Guangdong Prov Key Lab Microbial Culture Collect, Guangdong Open Lab Appl Microbiol, State Key Lab Appl Microbiol Southern China, Guangzhou 510070, Guangdong, Peoples R China

[2] Chinese Acad Sci, Key Lab Plant Resources Conservat & Sustainable U, Guangdong Prov Key Lab Appl Bot, Program Nat Prod Chem Biol,South China Bot Garden, Guangzhou 510650, Guangdong, Peoples R China

[3] South Cent Univ Nationalities, Sch Pharmaceut Sci, Wuhan 430074, Hubei, Peoples R China

来源：

ORGANIC CHEMISTRY FRONTIERS | 2019年 / 6卷 / 05期

基金：

中国国家自然科学基金;

关键词：

A-C; DERIVATIVES;

D O I：

10.1039/c8qo01306c

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A pair of novel enantiomeric benzophenone-hemiterpene adducts, (+)-cytorhizophin A (1a) and (-)-cytorhizophin A (1b) as well as cytorhizophin B (2), all of them featuring an unprecedented 6/ 7/ 6/ 7 tetracyclic fused ring system, together with their biosynthetically related precursor cytorhizophin C (3) were isolated from Cytospora rhizophorae A761. Their structures were fully characterized on the basis of extensive spectroscopic analysis, with the absolute configurations of 1 determined by X-ray diffraction and electronic circular dichroism (ECD) calculations. Moreover, compounds 1-3 were evaluated for in vitro antimicrobial activity.

引用

页码：591 / 596

页数：6

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