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An acetophenone and three naphthalides from turkish Rhamnus libanoticus |
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| Authors: | Toshiko Satake Makusut Co kun Kazuyuki Hori Yasuhisa Saiki Mekin Tankers |
| Institution: | a Faculty of Pharmaceutical Sciences, Kobe-Gakuin University, Nishi-Ku, Kobe 651-21, Japan b Faculty of Pharmacy, Ankara University, Tandogan, 06100 Ankara, Turkey |
| Abstract: | A new acetophenone glycoside and two new naphthalide glycosides have been isolated from the bark of Turkish Rhamnus libanoticus together with 7-hydroxy-5-methoxyphthalide 7-O-β-D-glucoside. The structures of the new compounds were elucidated by spectroscopic methods as 2,6-dihydroxy-4-methoxyacetophenone 2-O-β- rutinoside, 8,9-dihydroxy-6-methoxynaphthalide 8-O-β-rutinoside, 8,9-dihydroxy-6-methoxynaphthalide 8-O-/3b-D glucoside, respectively. |
| Keywords: | Rhamnus libanoticus Rhamnaceae bark 2 6-dihydroxyl-4-methoxy-acetophenone 2-O-β-rutino- side 8 9-dihydroxy-6-methoxy-naphthalide 8-O-β-rutinoside 8 9-dihydroxy-6-methoxy-naphthalide 8-O-β-D- glucoside |
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