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triterpenoid saponins from the stem bark of xeromphis nilotica (rubiaceae)
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نویسنده
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adam ibrahim ,yu-lai hu ,cai-xia yang
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منبع
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journal of medicinal and chemical sciences - 2019 - دوره : 2 - شماره : 3 - صفحه:76 -79
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چکیده
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Two new triterpenoid saponins, named, 3-o-β-d-glucopyranosyl (1→3)-olean-12- ene- 19, 23-diol 1 and 3-o-{o-α-l-rhamno-pyranosyl-(1→3)-o-[-o-β-d-glucopyranosyl-(1→3)]-β-dglucopyranosyl}- pomolic acid were isolated from the stem bark of xeromphis nilotica through extensive chromatographic technique [tlc and cc] and their structures were elucidated on the basis of their spectral data [1d, 2d nmr and hr-esi-ms] and chemical evidence.
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کلیدواژه
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xeromphis nilotica ,triterpene saponines ,structural elucidation
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آدرس
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university of zalingei, department of basic science, sudan. northwest normal university, college of chemistry and chemical engineering, china, northwest normal university, college of chemistry and chemical engineering, china, northwest normal university, college of chemistry and chemical engineering, china
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پست الکترونیکی
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yangcx@nwnu.edu.cn
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Authors
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