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Crystal and molecular structure of Zoapatanolide B, a sesquiterpene lactone

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Abstract

The crystal and molecular structure of the natural product Zoapatanolide B has been determined by X-ray crystallographic analysis. The compound, obtained from the leaves ofMontanoa tomentosa, is a heliangolide sesquiterpene lactone. The two molecules of the asymmetric unit are linked together by hydrogen bonding and this results in conformational differences when the ester side chains (at C(9)) are compared.

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Authors and Affiliations

  1. School of Pharmacy, Robert Gordon's Institute of Technology, Schoolhill, AB9 1FR, Aberdeen, Scotland

    Heather J. Cowe & Philip J. Cox

  2. Chemistry Department, University of Aberdeen, Meston Walk, AB9 2UE, Old Aberdeen, Scotland

    R. Alan Howie

Authors
  1. Heather J. Cowe
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  2. Philip J. Cox
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  3. R. Alan Howie
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Cowe, H.J., Cox, P.J. & Alan Howie, R. Crystal and molecular structure of Zoapatanolide B, a sesquiterpene lactone. Journal of Crystallographic and Spectroscopic Research 20, 571–576 (1990). https://doi.org/10.1007/BF01221899

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  • DOI: https://doi.org/10.1007/BF01221899

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