Phytochemical and chemotaxonomic study on Pholidota pallida lindl |
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| Institution: | 1. Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, 571158, People’s Republic of China;2. Coconut Research Institute of Chinese Academy of Tropical Agricultural Sciences, Wenchang, Hainan, 571339, People’s Republic of China;3. Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, 571158, People’s Republic of China;1. Department of Organic Chemistry, Faculty of Science, University of Dschang, P. O. Box 67, Dschang, Cameroon;2. Department of Basic Scientific Education, University Institute of Technology, University of Ngaoundéré, P.O. Box: 455, Ngaoundéré, Cameroon;3. Department of Organic Chemistry, Faculty of Science, University of Yaoundé 1, P.O. Box 812, Yaoundé, Cameroon;4. Department of Chemistry, Higher Teacher Training College, University of Yaoundé 1, P.O. Box 47, Yaoundé, Cameroon;5. Department of Biochemistry, Faculty of Science, University of Yaoundé 1, P.O. Box 812, Yaoundé, Cameroon;6. Chemical Engineering and Mineral Industries School, University of Ngaoundéré, P. O. Box 454, Ngaoundéré, Cameroon;7. Organic and Bioorganic Chemistry, Faculty of Chemistry, Bielefeld University, D-33501, Bielefeld, Germany |
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| Abstract: | Phytochemical investigation of Pholidota pallida Lindl. led to the isolation of eleven compounds 1–11 (coelonin 1, lusianthridin 2, flavanthrin 3, batatasin-Ⅲ 4, 3′,5-dihydroxy-2-(4-hydroxybenzyl)-3-methoxybibenzyl 5, gigantol 6, 3-2-(3-hydroxyphenyl) ethyl]-2,4-bis(4-hydroxyphenyl) methyl]-5-methoxyphenol 7, hydroxytyrosyl butyrate 8, (24R)-ethylcholest-5-en-3-ol-7-one 9, taraxerone 10, friedelin 11) including three phenanthrenes 1–3, four bibenzyls 4–7, one hydroxytyrosyl 8, one steroid 9 and two terpenoids 10–11. The structures of these compounds were elucidated by spectroscopic analyses. This is the first report of isolation of compounds 1–11 from Pholidota pallida and compounds 5 and 8–11 within genus Pholidota. Compound 8 is a new natural product, isolated from a natural source for the first time. Furthermore, the chemotaxonomic significance of the isolates was also discussed. |
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| Keywords: | Phenanthrene Bibenzyl Hydroxytyrosyl butyrate Chemotaxonomy |
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