申请人:UNIV DUBLIN CITY
公开号:WO2010097412A1
公开(公告)日:2010-09-02
A chiral ionic compound comprising an alkyl substituted imidazolium or pyridinium cationic core having an alkyl ester side chain (-alkyl-C(O)O-) directly linked to the core and an associated counter anion, characterized in that the -O- atom of the ester side chain is linked to an alpha, a beta or a gamma hydroxycarboxylic acid functionality via the alpha, beta or gamma hydroxy of the acid functionality and the hydroxycarboxylic acid functionality has at least one asymmetric carbon, or characterized in that an -N= atom of the alkyl substituted imidazolium or pyridinium cationic core is substituted with an alpha, a beta or a gamma hydroxy group of a alpha, a beta or a gamma hydroxycarboxylic acid functionality and the hydroxycarboxylic acid functionality has at least one asymmetric carbon. The chiral ionic liquids (CILs) may be used as novel solvents, in particular for organic synthesis. The CILs have the potential to induce asymmetry into substrates or catalysts in a variety of organic transformations. A number of the compounds have low antimicrobial and low antifungal toxicities and are also biodegradable CILs.
一种手性离子化合物,包括具有烷基取代的咪唑或吡啶阳离子核心,其具有直接连接到核心的烷基酯侧链(-烷基-C(O)O-)和相关的对应阴离子,其特征在于酯侧链的-O-原子通过α、β或γ羟基羧酸功能与羧酸功能的α、β或γ羟基相连,且羟基羧酸功能具有至少一个不对称碳,或者其特征在于烷基取代的咪唑或吡啶阳离子核心的-N=原子被α、β或γ羟基羧酸功能的α、β或γ羟基取代,且羟基羧酸功能具有至少一个不对称碳。这种手性离子液体(CILs)可用作新型溶剂,特别适用于有机合成。这些CILs有潜力在各种有机转化中向底物或催化剂引入不对称性。其中一些化合物具有低抗菌和低抗真菌毒性,并且也是可生物降解的CILs。