Chloride based ionic liquids as promoting agents for Meerwein reaction in solventless conditions
作者:Piero Mastrorilli、Cosimo F. Nobile、Nicola Taccardi
DOI:10.1016/j.tetlet.2006.04.072
日期:2006.7
Chloride based ionic liquids were used as chloride source in Meerwein reaction either in [bmim]X (bmim = 1-butyl-3-methylimidazolium, X = BF4, PF6) as solvents or in solventless conditions. Satisfactory yields (49–71%) with diversely substituted diazonium salts were achieved by using 1,3-dibutylimidazolium chloride in the presence of a bimetallic Zn/Cu catalyst.
氯化物基离子液体在Memwein反应中作为溶剂或在无溶剂条件下以[bmim] X(bmim = 1-丁基-3-甲基咪唑鎓,X = BF 4,PF 6)用作Meerwein反应中的氯化物源。在双金属Zn / Cu催化剂存在下,通过使用1,3-二丁基咪唑鎓氯化物,获得了不同取代的重氮盐的令人满意的收率(49-71%)。