机构地区: 中国科学院兰州化学物理研究所
出 处: 《化学通报》 2003年第4期262-267,共6页
摘 要: 胍类化合物是一种有机强碱 ,在生理条件下处于完全质子化状态 ,在催化有机酸碱反应时 ,催化性能明显优于无机碱和其它有机碱催化剂。此外 ,经修饰后的胍类化合物可以用于不对称催化 ;如果对其进行生理模拟 ,又可以用于酶催化反应。 Guanidine functional group is of interest mainly due to its biological activities, hydrogen bonding capability, stability, and positive charge integrity over a wide pH range, and its high affinity to carboxylates, phosphates, and metal ions. They catalyze a variety of reactions e.g., Henry reaction, Michael addition, transesterfication and so on.In this review, recent progress in the research of guanidines is surveyed with respect to their catalysis activity.