Chemical constituents of Malagasy liverworts: cyclomyltaylanoids from Bazzania madagassa |
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Authors: | Harinantenaina Liva Kurata Ritsu Takaoka Shigeru Asakawa Yoshinori |
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Institution: | Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima 770-8514, Japan. |
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Abstract: | Five cyclomyltaylanoids (2-6), together with 1R,5R-diacetoxycyclomyltaylan-10-one (1), (+)-globulol, and ent-4beta,10alpha-dihydroxyaromadendrane have been isolated from the diethyl ether fraction of the Malagasy liverwort, Bazzania madagassa. The structure of 1 was confirmed by X-ray analysis, while those of the compounds were established on the basis of one- and two-dimensional NMR spectroscopic evidence, and comparison with data reported in the literature. The chemosystematics of B. madagassa are discussed. |
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Keywords: | Liverwort Lepidoziaceae subf Lepidoziodeae Bazzania madagassa Cyclomyltaylane Chemosystematics |
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