Terpenoids—LXXI: Chemical studies of marine invertebrates—XIV. Four representatives of a novel sesquiterpene class—the capnellane skeleton |
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Authors: | YM Sheikh G Singy M Kaisin H Eggert Carl Djerassi B Tursch D Daloze JC Braekman |
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Institution: | Department of Chemistry, Stanford University, Stanford, CA 94305, U.S.A.;Collectif de Bio-Ecologie, Faculé de Science, Université Libre de Bruxelles, Brussels, Belgium |
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Abstract: | The isolation and complete structure determination of four marine sesquiterpenoids: Δ9(12)-capnellene-8β,10α-diol (1), Δ9(12)-capnellene-3β,8β,10α-triol (3), Δ9(12)-capnellene-5α,8β,10α-triol (5), Δ9(12)-capnellene-2ξ,8β,10α-triol (7) from the soft coral Capnella imbricata is described. These alcohols are the first members of a fundamentally new sesquiterpene class consisting of three 5-membered fused rings which we have named capnellane (A). |
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