Glochidiolide, isoglochidiolide, acuminaminoside, and glochidacuminosides A-D from the leaves of Glochidion acuminatum MUELL |
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Authors: | Otsuka Hideaki Takeda Yoshio Hirata Eiji Shinzato Takakazu Bando Masahiko |
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Affiliation: | Department of Pharmacognosy, Graduate School of Biomedical Sciences, Hiroshima University, Japan. hotsuka@hiroshima-u.ac.jp |
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Abstract: | The dimeric butenolides glochidiolide and isoglochidiolide, a new glucoside of a nitrogen-containing C(8) dimer, acuminaminoside, and glucosides of C(8) compounds, designated glochidacuminosides A-D, were isolated from the leaves of Glochidion acuminatum. The structures of glochidionolactone and acuminaminoside were determined by X-ray analyses, and those of the remaining C(8) glucosides by NMR spectroscopic analyses, chemical conversion, and a modified Mosher's method. |
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