Bioinspired Synthesis of Nortriterpenoid Propindilactone G

被引:40
|
作者
Wang, Yu [1 ]
Chen, Bo [1 ]
He, Xubiao [1 ]
Gui, Jinghan [1 ]
机构
[1] Univ Chinese Acad Sci, Chinese Acad Sci, Ctr Excellence Mol Synth, Shanghai Inst Organ Chem,CAS Key Lab Synthet Chem, Shanghai 200032, Peoples R China
基金
中国国家自然科学基金;
关键词
ASYMMETRIC TOTAL-SYNTHESIS; SCALABLE SYNTHESIS; MOLECULAR-OXYGEN; ALKYL-ARYL; HYDROPEROXIDES; TRITERPENOIDS; OUABAGENIN; EFFICIENT; OXETANES; ALCOHOLS;
D O I
10.1021/jacs.0c00363
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A concise bioinspired synthesis of Schisandra nortriterpenoid propindilactone G has been accomplished from a readily accessible steroidal lactone. Key transformations include a Breslow remote functionalization, a Suarez remote radical functionalization, a ring expansion enabled by a Wagner-Meerwein rearrangement, a stereoinversion of a tertiary alcohol, and a biomimetic transesterification/oxa-Michael addition cascade. This work also provides experimental evidence of the putative propindilactone G biosynthesis pathway.
引用
收藏
页码:5007 / 5012
页数:6
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