Four new diterpenes from Sideritis serrata |
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Authors: | Teresa G. de Quesada Benjamín Rodríguez Serafín Valverde |
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Affiliation: | Instituto de Química Orgánica General, C.S.I.C. Juan de la Cierva, 3, Madrid-6, Spain |
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Abstract: | Four new diterpenes have been isolated from Sideritis serata: lagascol (4, ent-8,5-friedopimar-5-ene-15S,16-diol), tobarrol (8, ent-15-beyerene-12α,17-diol), benuol (12, ent-15-beyerene-7α,17-diol) and serradiol (18, ent-16R-atis-13-ene-16,17-diol). The previously known diterpenes lagascatriol (1, ent-8,5-friedopimar-5-ene-11β,15S,16-triol), jativatriol (2, ent-15-beyerene-1β,12α,17-triol), conchitriol (3, ent-15-beyerene-7α,12α,17-triol) and sideritol (17, ent-16R-atis-13-ene-1β,16,17-triol) have also been obtained from the same source. |
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Keywords: | Labiatae diterpenes |
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