tert-Alcohol-functionalized imidazolium ionic liquid: catalyst for mild nucleophilic substitution reactions at room temperature
作者:Sandip S. Shinde、Hyung Min Chi、Byoung Se Lee、Dae Yoon Chi
DOI:10.1016/j.tetlet.2009.09.064
日期:2009.12
Encouraged by a synergistic effect on nucleophilic fluorination, an imidazolium mesylate salt (1a) possessing two different solvent properties in one molecule—tert-alcohol and ionic liquid was utilized in various nucleophilic substitution reactions. By a comparison study with 1-n-butyl-3-methylimidazolium ionic liquids, 1a has proved to be a better phase transfer catalyst even under room temperature conditions
在亲核氟化作用的协同作用的鼓励下,甲磺酸咪唑鎓盐(1a)在一个分子中具有两种不同的溶剂特性(叔醇和离子液体)被用于各种亲核取代反应中。通过与1-正丁基-3-甲基咪唑鎓离子液体的比较研究,即使在室温条件下,1a也已被证明是一种更好的相转移催化剂。它已成功应用于其他亲核取代反应,例如氟化,氯化,溴化,碘化,乙酰氧基化,叠氮化和氰化。