Chiral bicyclic imidazolium salts as a new class of N-heterocyclic carbene precursors
作者:Yuki Matsuoka、Yasuhiro Ishida、Kazuhiko Saigo
DOI:10.1016/j.tetlet.2008.02.175
日期:2008.4
bridged chiral bicyclic imidazole with a morpholine framework was synthesized from an enantiopure 2-amino alcohol. The resultant imidazole reacted with various electrophiles, including primary and secondary alkyl halides, benzyne, and an electron-deficient aryl halide, to give the corresponding imidazolium salts. Some of the imidazolium salts were found to have potential as the precursor of a chiral N-heterocyclic