A versatile and modular one-pot method for the preparation of differently substituted symmetrical and unsymmetrical imidazolium salts is reported, and 19 examples are given. In the key step, readily available formamidines and α-halo ketones are coupled to give imidazolinium salts 3, followed by imidazolium salt formation by acylation-induced elimination. For many substitution patterns of the imidazolium
A facile preparation of backbone-substituted, functionalized and chiral imidazolinium salts
作者:Jun Zhang、Xiaolong Su、Jun Fu、Min Shi
DOI:10.1039/c1cc15609h
日期:——
A versatile and modular method for the preparation of various backbone-substituted, functionalized and chiralimidazoliniumsalts from the reaction of formamidines with alkene oxides has been described, providing a more straightforward access to substituted imidazoliniumsalts than the previously reported methods.