New One-Step Synthesis of 2-Aryl-1H-Imidazoles: Dehydrogenation of 2-Aryl-Δ2-Imidazolines with Dimethylsulfoxide
作者:Maria Anastassiadou、Geneviève Baziard-Mouysset、Marc Payard
DOI:10.1055/s-2000-8237
日期:——
A new one-step method for the preparation of 2-aryl-1H-imidazoles 3, based on the DMSO dehydrogenation of 2-aryl-Î2-imidazolines, is described. A comparative study between DMSO and 10% Pd/C, the best known catalyst employed in this transformation, has also been developed. Both protocols were carried out at 120°C for 48 hours.
描述了一种新的一步法制备2-芳基-1H-咪唑的3,基于对2-芳基-Δ2-咪唑啉的DMSO脱氢作用。还开展了DMSO与10% Pd/C(在这一转化中使用的最佳催化剂)之间的比较研究。两种方法均在120°C下进行48小时。