The structure and chemistry of pebrolide,desacetylpebrolide and 1-deoxypebrolide,sesquiterpene benzoates from penicillium brevicompactum |
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| Authors: | N.J. McCorkindale C.H. Calzadilla S.A. Hutchinson D.H. Kitson G. Ferguson I.M. Campbell |
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| Affiliation: | Joint Mycological Laboratories, Departments of Chemistry and Botany, The University, Glasgow G128QQ, Scotland;Department of Chemistry, University of Guelph, Guelph, Ontario, Canada N1G2W1;Department of Biological Sciences, University of Pittsburgh, GSPH, 130 DeSoto Street, Pittsburgh, PA 15261, U.S.A. |
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| Abstract: | The structure of three new drimane sesquiterpenes (1–3) has been established from chemical and spectroscopic evidence and by single crystal X-ray crystallographic analysis of 7. Ring B in the crystal of 7 is in a chair conformation, slightly distorted because of cis fusion to the lactone ring and because three β axial substituents are present. NMR evidence suggests that the preferred conformation in solution is similar. |
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