An operationally simple, efficient, and environmentally benign preparation of heteroaromatics such as thiazoles, imidazoles, and imidazo[1,2-a]pyridines from the reactions of a polymer-supported [hydroxy(sulfonyloxy)iodo]benzene (2) with ketones or alcohols, followed by treatment with thioamides, benzamidine, and 2-aminopyridine, respectively, in the presence of potassium carbonate were successfully carried out.
一种操作简单、高效且环境友好的制备杂芳香化合物(如
噻唑、
咪唑及
咪唑并[1,2-a]吡啶)的方法已成功实现,该方法通过聚合物负载的[羟基(磺酰氧基)
碘代]苯(2)与酮或醇的反应,随后分别在
碳酸钾存在下用
硫脲、苯脒及2-
氨基吡啶处理。