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. 2013 Feb 26;3(1):29–32. doi: 10.1007/s13659-012-0095-z

Daphmacrodins A and B, alkaloids from Daphniphyllum macropodum

Ming-Ming Cao 195,295, Hong-Ping He 195, Yu-Cheng Gu 395, Qiang Zhang 495, Xiao-Nian Li 195, Guo-Ying Zuo 595, Ying-Tong Di 195, Chun-Mao Yuan 195, Shun-Lin Li 195, Yu Zhang 195,, Xiao-Jiang Hao 195,
PMCID: PMC4131615

Graphical abstract

Two new daphnicyclidin-type Daphniphyllum alkaloids, daphmacrodins A and B (1 and 2) were isolated from the leaves and stems of Daphniphyllum macropodum. Their structures were elucidated by extensive spectroscopic techniques, including 2D NMR spectroscopy and mass spectrometry. The relative configuration of 1 was further confirmed by a single-crystal X-ray diffraction analysis. Their cytotoxic activities against five human cancer cell lines, pesticidal activities against brine shrimp (Artemia salina), and antibacterial activities against five standard bacterial and fungal strains were evaluated. The structure of 1 was successfully transformed to 2 by a chemical method.

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Electronic Supplementary Material

Supplementary material is available for this article at 10.1007/s13659-012-0095-z and is accessible for authorized users.

Keywords: Daphniphyllaceae, Daphniphyllum macropodum, cyclopentadienyl anion

Electronic supplementary material

13659_2012_95_MOESM1_ESM.pdf (4.9MB, pdf)

Supplementary material, approximately 4.91 MB.

Footnotes

This article is published with open access at Springerlink.com

Contributor Information

Yu Zhang, Email: zhangyu@mail.kib.ac.cn.

Xiao-Jiang Hao, Email: haoxj@mail.kib.ac.cn.

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Supplementary Materials

13659_2012_95_MOESM1_ESM.pdf (4.9MB, pdf)

Supplementary material, approximately 4.91 MB.


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