Total synthesis and stereochemical revision of xiamenmycin A

被引:11
作者
Jiao, Xiaozhen [1 ,2 ]
Yao, Yangyang [1 ,2 ]
Yang, Beibei [1 ,2 ]
Liu, Xiaoyu [1 ,2 ]
Li, Xiaoyu [1 ,2 ]
Yang, Hongguang [1 ,2 ]
Li, Li [1 ,2 ]
Xu, Jun [3 ,4 ]
Xu, Minjuan [5 ]
Xie, Ping [1 ,2 ]
机构
[1] Peking Union Med Coll, Beijing Key Lab Active Subst Discovery & Drugabil, State Key Lab Bioact Subst & Funct Nat Med, Inst Mat Med, Beijing 100050, Peoples R China
[2] Chinese Acad Med Sci, Beijing 100050, Peoples R China
[3] Shanghai Jiao Tong Univ, Inst Oceanol, Shanghai 200240, Peoples R China
[4] Shanghai Jiao Tong Univ, State Key Lab Microbial Metab, Shanghai 200240, Peoples R China
[5] Shanghai Jiao Tong Univ, Shanghai Ctr Syst Biomed, Key Lab Syst Biomed, Shanghai 200240, Peoples R China
基金
中国国家自然科学基金;
关键词
DIASTEREOSELECTIVE SYNTHESIS; N-FORMYLSACCHARIN; CO SOURCE; DERIVATIVES; MECHANISMS; FIBROSIS;
D O I
10.1039/c5ob02476e
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The relative and absolute configurations of xiamenmycin A, a benzopyran compound isolated from Streptomyces xiamenensis 318 with a highly potent anti-fibrotic activity, have been characterized through the total synthesis. The key steps include the construction of the 3-chromanol moiety via Sharpless epoxidation followed by regio- and diastereo-selective cyclization and introduction of the threonine moiety at a later stage via Pd-catalysed aminocarbonylation in a one-pot procedure. The stereochemical assignment of natural xiamenmycin A has been accordingly revised to be 2R, 3S, 3'S, 4'R.
引用
收藏
页码:1805 / 1813
页数:9
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