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  Relative and absolute configuration of vatiparol (1mg): A novel anti-inflammatory polyphenol.

Ge, H. M., Sun, H., Jiang, N., Qin, Y. H., Dou, H., Yan, T., et al. (2012). Relative and absolute configuration of vatiparol (1mg): A novel anti-inflammatory polyphenol. Chemistry-A European Journal, 18(17), 5213-5221. doi:10.1002/chem.201104078.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-A032-5 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-C773-E
Genre: Journal Article

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1478958.pdf (Publisher version), 2MB
 
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 Creators:
Ge, H. M., Author
Sun, H.1, Author              
Jiang, N., Author
Qin, Y. H., Author
Dou, H., Author
Yan, T., Author
Hou, Y. Y., Author
Griesinger, C.1, Author              
Tan, R. X., Author
Affiliations:
1Department of NMR Based Structural Biology, MPI for biophysical chemistry, Max Planck Society, ou_578567              

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Free keywords: Inhibitors; NMR spectroscopy; residual dipolar couplings; structure elucidation; vatiparol
 Abstract: Bioactive natural products offer multiple opportunities for the discovery of novel chemical entities with potential pharmaceutical, nutraceutical and agrochemical applications. Many new organic compounds with novel scaffolds are isolated in small quantities and established methods often fail to determine the structure and bioactivity of such novel natural products. To meet this challenge, we present here a new methodology combining RDC (residual dipolar coupling)-based NMR spectroscopy in microtubes, with a motif-inspired biological assessment strategy. Using only one milligram (ca. 1.5 μmol) of sample, the new protocol established the bioactivity as well as the relative and absolute configuration of vatiparol obtained from Vatica parvifolia. Vatiparol is unique in its unprecedented carbon skeleton and selective inhibitory effect on the expression of monocyte chemo-attractant protein-1 (MCP-1, also known as CCL2). The plausible biosynthetic pathway of vatiparol is briefly discussed. The approach introduced here promises to be widely applicable to the determination of the structure and bioactivity of structurally unknown organic samples available in very limited amounts.

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Language(s): eng - English
 Dates: 2012-03-202012-04
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1002/chem.201104078
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Title: Chemistry-A European Journal
Source Genre: Journal
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Pages: - Volume / Issue: 18 (17) Sequence Number: - Start / End Page: 5213 - 5221 Identifier: -