Here, we report on the first combined one-pot use of the two so-called “click reactions”: the thiol–ene coupling and the copper-catalyzed alkyne–azide cycloaddition. These reactions were employed in an alternating and one-pot fashion to combine appropriately functionalized monomeric carbohydrate building blocks to create mimics of trisaccharides and tetrasaccharides as single anomers, with only minimal
在这里,我们报告了两个所谓的“点击反应”的第一次组合一锅法使用:
硫醇-
烯偶联和
铜催化的炔-
叠氮化物环加成反应。这些反应以交替和一锅法的方式使用,以结合适当官能化的单体
糖类结构单元,生成三糖和四糖的模拟物,作为单一的端基异构体,而仅需极少的纯化即可。发现去保护的
寡糖模拟物结合植物凝集素和人半
乳糖凝集素3。