作者:Li-Wen Tian、Chong-Ren Yang、Ying-Jun Zhang
DOI:10.1002/hlca.201000067
日期:2010.11
Four new phenolic compounds, 7‐O‐methylcatechin 5‐O‐β‐D‐glucopyranoside (1), 6‐O‐feruloyl‐D‐glucopyranose (2), demethylpiperitol 4‐O‐β‐D‐glucopyranoside (3), and 2‐episesaminol 2‐O‐β‐D‐glucopyranoside (4) were isolated from the fresh leaves of Eucalyptus maideni, together with six hydrolyzable tannins, 5–10, a flavonol glycoside, 11, three simple phenolics, 12–14, a monoterpene glucoside, 15, and a
四种新的酚类化合物,7- O-甲基儿茶素5- O - β - D-吡喃葡萄糖苷(1),6- O-阿魏酰基-D-葡萄糖吡喃糖(2),去甲基哌啶醇4- O - β - D - D-吡喃葡萄糖苷(3),和2- episesaminol 2- ø - β - d吡喃葡萄糖苷(4)从新鲜叶中分离直杆蓝桉具有六个可水解的单宁,一起5 - 10,黄酮醇苷,11,三个简单的酚类,12 - 14,单萜糖苷,15,和一个rosenoside,16。在详细的光谱分析,酸性水解和酶促水解的基础上确定了它们的结构。已知化合物10和13是首次从桉树属中获得的。