Two novel meroterpenoids with a 6/10/5 tricyclic system containing a pyran-4-one ring from Arnebia euchroma

被引：0

作者：

Qin, Guoqing ^{[1
,2
]}

Guo, Pengju ^{[1
,3
]}

Wang, Qing ^{[1
,4
]}

Nikolovski, Gjorgi ^{[1
,2
]}

Wang, Wenqiong ^{[1
]}

Xuan, Lijiang ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Mat Med, State Key Lab Drug Res, 501 Haike Rd, Shanghai 201203, Peoples R China

[2] Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China

[3] Fudan Univ, Sch Pharm, Shanghai 201203, Peoples R China

[4] Nanjing Univ Chinese Med, Sch Chinese Mat Med, Nanjing 210023, Peoples R China

来源：

TETRAHEDRON LETTERS | 2024年 / 151卷

基金：

中国国家自然科学基金;

关键词：

Arnebia euchroma; Meroterpenoids; Arnebic acids A -B; 6/10/5 tricyclic system; Pyran-4-one ring;

D O I：

10.1016/j.tetlet.2024.155318

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Two novel meroterpenoids, arnebic acid A (1) and B (2) with a new 6/10/5 tricyclic system containing a pyran-4-one ring, were isolated from the roots of Arnebia euchroma. Through extensive spectroscopic analysis, single-crystal X-ray crystallography analysis and ECD calculation, the structures with absolute configurations of 1 and 2 were unequivocally elucidated. Additionally, the plausible biosynthetic pathways for compounds 1 and 2 were deduced.

引用

页数：4

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