Chlorotrimethylsilane-Mediated Synthesis of Functionalized 2-(2-Hydroxybenzoyl)pyrido[1,2-<i>a</i>]benzimidazoles
作者:Dmitriy Volochnyuk、Sergey Ryabukhin、Andrey Plaskon、Andrey Tolmachev
DOI:10.1055/s-2007-990790
日期:2007.10
Heating 3-formylchromone with a variety of benzimidazoles and imidazoles in N,N-dimethylformamide in the presence of chlorotrimethylsilane as a promoter and water-scavenger gave functionalized pyrido[1,2-a]benzimidazoles and imidazo[1,2-a]pyridines.
在 N,N-二甲基甲酰胺中,以氯三甲基硅烷为促进剂和水清除剂,将 3-甲酰基色酮与多种苯并咪唑和咪唑加热,可得到官能化的吡啶并[1,2-a]苯并咪唑和咪唑并[1,2-a]吡啶。