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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Determination of the enantiomeric purity of the phytoalexins spirobrassinins by 1H NMR using chiral solvation.

A simple and inexpensive method for enantiomeric discrimination of the phytoalexins spirobrassinin (1), 1-methoxyspirobrassinin (2) and synthetic analog 1-methylspirobrassinin (6) using the chiral solvating agent 2,2,2-trifluoro-1-(9-anthryl)ethanol in C(6)D(6) is described. Using this method the enantiomeric composition of each sample can be determined accurately by (1)H NMR and the compounds can be recovered readily by chromatography.[1]

References

  1. Determination of the enantiomeric purity of the phytoalexins spirobrassinins by 1H NMR using chiral solvation. Pedras, M.S., Hossain, M., Sarwar, M.G., Montaut, S. Bioorg. Med. Chem. Lett. (2004) [Pubmed]
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