Synthesis of unsymmetrical imidazolium salts by direct quaternization of N-substituted imidazoles using arylboronic acids
作者:Shiqing Li、Fan Yang、Taiyong Lv、Jingbo Lan、Ge Gao、Jingsong You
DOI:10.1039/c4cc00474d
日期:——
Imidazolium salts were conveniently prepared by direct aryl quaternization using arylboronic acids. This process features the tolerance of a broad range of functional groups and excellent chemoselectivity, and is especially effective for the synthesis of unsymmetrical imidazolium salts.
咪唑盐可通过直接芳基季铵化反应方便地制备,该反应采用芳基硼酸作为原料。该方法具有对多种官能团的耐受性和优异的化学选择性,尤其适用于非对称咪唑盐的合成。