[Cu2(μ-methylenebis(N-methylimidazolium)2]Cl2 、 氧气 以
not given 为溶剂,
以72%的产率得到[Cu2(Me2biim)2]Cl4
参考文献:
名称:
Facile C−N Bond Cleavage Promoted by Cuprous Oxide: Formation of C−C-Coupled Biimidazole from Its Methylene-Bridged Congener
摘要:
The methylenebis(N-alkylimidazolium) halides are converted to dialkylbiimidazoles by cuprous oxide wit concurrent C-N bond cleavage and C-C bond formation. This unusual C-N bond cleavage is proposed to involve a Cu(I)-NHC (N-heterocyclic carbene) complex. The reaction is unique, as it involves C-H bond activation, C-N bond cleavage, and C-C bond formation.