Deprotection of N-benzylbenzimidazoles and N-benzylimidazoles with triethylsilane and Pd/C
作者:Thomas H. Graham
DOI:10.1016/j.tetlet.2015.03.127
日期:2015.5
The benzyl group is a protecting group for benzimidazoles and imidazoles that can survive acidic, basic, oxidizing, and reducing conditions. Deprotection, however, can require vigorous and potentially non-chemoselective methods. The triethylsilane–Pd/C reduction system is an exceptionally mild, convenient, and efficient method for deprotecting N-benzylbenzimidazoles that are unsubstituted at the 2-
苄基是苯并咪唑和咪唑的保护基,可以在酸性,碱性,氧化和还原条件下存活。然而,脱保护可能需要有力的并且可能是非化学选择性的方法。三乙基硅烷-Pd / C还原系统是一种非常温和,方便,有效的方法,用于保护在2位和4位未被取代的N-苄基苯并咪唑以及适当取代的N-苄基咪唑。