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Bisdioxycalamenene: A Bis-Sesquiterpene from the Soft Coral Rhytisma fulvum fulvum

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School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 69978, Israel
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Laboratory of Chemistry of Natural Substances and Food Sciences, Faculty of Science and Technology, University of Reunion Island, 15 Avenue René Cassin, CS 92003, 97744 Saint-Denis Cedex 9, La Reunion, France
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Department of Zoology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel
*
Author to whom correspondence should be addressed.
Academic Editor: Orazio Taglialatela-Scafati
Mar. Drugs 2016, 14(2), 41; https://doi.org/10.3390/md14020041
Received: 14 January 2016 / Revised: 3 February 2016 / Accepted: 14 February 2016 / Published: 19 February 2016
A dichloromethane extract of the soft coral Rhytisma fulvum fulvum collected in Madagascar afforded a novel compound possessing an unprecedented pentacyclic skeleton, bisdioxycalamenene (1), as well as seven known sesquiterpenes. The structures of the compounds were elucidated using 1D and 2D NMR techniques, as well as high-resolution mass spectrometry. The absolute configuration of 1 was determined using X-ray diffraction analysis and anomalous dispersion effects. The structure elucidation and a possible biogenesis of the compound are discussed. View Full-Text
Keywords: Rhytisma fulvum fulvum; soft coral; bisdioxycalamenene; bis-sesquiterpene Rhytisma fulvum fulvum; soft coral; bisdioxycalamenene; bis-sesquiterpene
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Trifman, Y.J.; Aknin, M.; Gauvin-Bialecki, A.; Benayahu, Y.; Carmeli, S.; Kashman, Y. Bisdioxycalamenene: A Bis-Sesquiterpene from the Soft Coral Rhytisma fulvum fulvum. Mar. Drugs 2016, 14, 41.

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