Issue 15, 2011
From the journal:

Organic & Biomolecular Chemistry

Kopsihainanines A and B, two unusual alkaloids from Kopsia hainanensis†

Jia Chen,a   Jian-Jun Chen,a   Xiaojun Yaoa  and  Kun Gao*a  

* Corresponding authors

a State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, People's Republic of China
E-mail: npchem@lzu.edu.cn
Fax: +86 931 8912582
Tel: +86 0931 8912592

Abstract

Kopsihainanine A (1), an unprecedented skeleton with a 6/5/6/6/6 pentacyclic rearranged ring system, together with a new biogenetically related compound, kopsihainanine B (2), were isolated from Kopsia hainanensis. Their structures were elucidated by means of spectroscopic methods. The absolute configuration of 1 was determined by ECD calculation.

Graphical abstract: Kopsihainanines A and B, two unusual alkaloids from Kopsia hainanensis

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Article information

DOI
https://doi.org/10.1039/C1OB05724C
Article type
Communication
Submitted
07 May 2011
Accepted
02 Jun 2011
First published
02 Jun 2011

Org. Biomol. Chem., 2011,9, 5334-5336

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Kopsihainanines A and B, two unusual alkaloids from Kopsia hainanensis

J. Chen, J. Chen, X. Yao and K. Gao, Org. Biomol. Chem., 2011, 9, 5334 DOI: 10.1039/C1OB05724C

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