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1一条合成毛蕊花苷的新路线显示文摘毛蕊花苷(Acteoside)是苯丙素苷类天然产物中的代表性分子,具有广泛的生物活性.报道了一条新的合成毛蕊花苷的路线.在合成中,利用鼠李糖基邻炔基苯甲酸酯给体和2,3,4-三羟基葡萄糖硫苷在金(I)催化下的区域选择性糖苷化,得到关键的α-(1→3)连接二糖硫苷7-1,通过二糖的邻炔基苯甲酸酯给体合成苯丙素苷,进而完成了毛蕊花苷的合成.区域选择性的糖苷化减少了保护基操作步骤,缩短了合成路线.胡志飞 徐鹏 俞飚 2020有机化学2020,40,10:1
2Synthesis and Antiproliferative Activities of OSW-1 Analogues Bearing 2'-0-p-Acylaminobenzoyl Residues显示文摘Summary of main observation and conclusion OSW-1 is a well-known natural saponin with potent antitumor activities.We have designed and pre-pared a small library of 22 OSW-1 analogues with a variety of p-acylamino-benzoyl groups installed at C2'of the xylose residue,wherein a regioselective(1>3)-glycosylation of arabinoside 3,4-diol has been achieved by manipulatian of the protecting groups on the imidate donors.Bioassays lead to new structure-activity relationships as well as two aplicable fluorescent probes,which are found to localize to lysosomes in HeLa cells and could be used in further antitumor mechanism studies of OSW-1 in living cells.Lijun Sun Di Zhu Laura Olde Groote Beverborg Ruina Wang Yongjun Dang Mingming Ma Wei Li Biao Yu 2020Chinese Journal of Chemistry2020,38,10:0
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