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Issue 15, 2011
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Kopsihainanines A and B, two unusual alkaloids from Kopsia hainanensis

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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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Publication details

The article was received on 07 May 2011, accepted on 02 Jun 2011 and first published on 02 Jun 2011


Article type: Communication
DOI: 10.1039/C1OB05724C
Citation: 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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