Mandelate and prolinate ionic liquids: synthesis, characterization, catalytic and biological activity
作者:Jacek Cybulski、Anna Wiśniewska、Anna Kulig-Adamiak、Zbigniew Dąbrowski、Tadeusz Praczyk、Alicja Michalczyk、Filip Walkiewicz、Katarzyna Materna、Juliusz Pernak
DOI:10.1016/j.tetlet.2011.01.069
日期:2011.3
A group of quaternary ammonium mandelates and l-prolinates, as ionic liquids, were synthesized and characterized. The prepared salts were soluble in water and showed high surface activity. The described synthesis of l-prolinate was simple and the obtained ionic liquid contained a chiral anion. l-Prolinate in CH2Cl2 was employed for the asymmetric Michael addition of a ketone to nitrostyrene. A yield
合成并表征了一组扁桃酸季铵盐和1-脯氨酸盐,作为离子液体。制备的盐可溶于水,并显示出高的表面活性。所描述的1-脯氨酸酯的合成是简单的,并且所获得的离子液体包含手性阴离子。将CH 2 Cl 2中的1-脯氨酸用于酮向硝基苯乙烯的不对称迈克尔加成。产率为60%,对映选择性(高达50%ee),非对映选择性良好(顺/反环己酮的不对称加成比例可达90:10)。这些新颖的离子液体被证明是非常有效的抗微生物和抗真菌剂,尤其是1-癸二酸二癸基二甲基铵。另外,发现植物毒性可以是评估离子液体的光学形式的有用工具。