Two new furostanol saponins from Tribulus terrestris L. |
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| Authors: | Tunhai Xu Yajuan Xu Yue Liu Shengxu Xie Yunshan Si Dongming Xu |
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| Institution: | aDepartment of Traditional Chinese Medicine Chemistry, School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100102, PR China;bInstitute of Traditional Chinese Medicine, Academy of Traditional Chinese Medicine and Material Medica of Jilin Province, Changchun 130021, PR China;cTianjin University of Traditional Chinese Medicine, Tianjin 300193, PR China |
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| Abstract: | Two new furostanol glycosides, named tribufurosides I (1) J (2), were isolated from the fruits of Tribulus terrestris L. by a combination of chemical and spectroscopic methods. Its structures were established as 26-O-β-d-glucopyranosyl-(25S)-5α-furost-12-one-2α,3β,22α,26-tetraol-3-O-β-d-glucopyranosyl (1 → 2)-β-d-glucopyranosyl (1 → 4)-β-d-galactopyranoside (1) and 26-O-β-d-glucopyranosyl-(25R)-5α-furost-20(22)-en-12-one-2α,3β,26-triol-3-O-β-d-glucopyranosyl (1 → 4)-β-d-galactopyranoside (2). |
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| Keywords: | Tribufurosides I and J Tribulus terrestris L Zygophyllaceae Furostanol glycosides |
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