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      Isolation and identification of pectenotoxins-13 and -14 from Dinophysis acuta in New Zealand

      Miles, Christopher O.; Wilkins, Alistair L.; Hawkes, Allan D.; Jensen, Dwayne J.; Selwood, Andrew I.; Beuzenberg, Veronica; MacKenzie, A. Lincoln; Cooney, Janine M.; Holland, Patrick T.
      DOI
       10.1016/j.toxicon.2006.04.005
      Link
       www.sciencedirect.com
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      Citation
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      Miles, C.O., Wilkins, A.L., Hawkes, A.D., Jensen, D.J., Selwood, A.I., …, Holland, P.T. (2006). Isolation and identification of pectenotoxins-13 and -14 from Dinophysis acuta in New Zealand. Toxion, 48(2), 152-159.
      Permanent Research Commons link: https://hdl.handle.net/10289/5988
      Abstract
      Two novel pectenotoxins (PTXs), PTX-13 and -14, were isolated from extracts of Dinophysis acuta collected from the west coast of South Island, New Zealand. The compounds were identified as oxidized analogues of PTX-2 by NMR spectroscopic and LC-MS studies. PTX-13 (32R-hydroxyPTX-2) corresponds to the unidentified analogue PTX-11x reported by [Suzuki et al., 2003. Liquid chromatography-mass spectrometry of spiroketal stereoisomers of pectenotoxins and the analysis of novel pectenotoxin isomers in the toxic dinoflagellate Dinophysis acuta from New Zealand. J. Chromatogr. A 992, 141–150]. PTX-13 underwent slow deuteration at the 13β-position during NMR analysis. PTX-14 corresponds to the 32,36-dehydration product of PTX-13, and may be an artifact.
      Date
      2006-08
      Type
      Journal Article
      Publisher
      Elsevier
      Collections
      • Science and Engineering Papers [3116]
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