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Microtropins J-P: 6’-O-(2”<i>S</i>,3”<i>R</i>)-2”-Ethyl-2”,3”-Dihydroxybutyrates of Phenolic Alcohol <i>&#223</i>-D-Glucopyranosides from the Branches of <i>Microtropis japonica</i>
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作者 Yuka Uemura Sachiko Sugimoto +2 位作者 Katsuyoshi Matsunami Hideaki Otsuka Yoshio Takeda 《American Journal of Plant Sciences》 2013年第10期1954-1959,共6页
From the branches of Microtropis japonica (Celastraceae), seven phenolic alcohol glucosides, named microtropins J-P (1-7), were isolated. The 6-position of glucose was esterified with 2-ethyl-2,3-dihydroxybutyric acid... From the branches of Microtropis japonica (Celastraceae), seven phenolic alcohol glucosides, named microtropins J-P (1-7), were isolated. The 6-position of glucose was esterified with 2-ethyl-2,3-dihydroxybutyric acid. Microtropin K (2) was hydrolyzed under a mild basic condition to give methyl (2S,3R)-2-ethyl-2,3-dihydroxybutyrate, whose absolute structure was determined by the comparison of NMR data and the optical rotation value with that reported. 展开更多
关键词 Microtropis JAPONICA CELASTrACEAE Microtropin (2S 3r)-2-ethyl-2 3-Dihydroxybutyrate
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