Synthesis, reactivity and structures of mono- and dihaloacetato complexes of copper(I) and copper(II)
作者:Fausto Calderazzo、Nausica Donati、Ulli Englert、Fabio Marchetti、Guido Pampaloni、Vincenzo Passarelli
DOI:10.1016/s0020-1693(02)01460-3
日期:2003.3
groups and two axial ligands. Monohaloacetato complexes of copper(I) have been prepared by reacting Cu 2 O with CH 2 ClCOOH or by haloacetato exchange from Cu(CF 3 COO) in excellent (X = Cl, Br) or low (X = I) yields. The copper(I) derivatives Cu(CH 2 XCOO) reversibly bind carbon monoxide both in the solid state and in toluene, the carbonyl derivative Cu(CH 2 ClCOO)(CO) being quantitatively obtained
氧化铜(I)与羧酸CH 3-n X n COOH(X = Cl,Br,n = 1,2; X = I,n = 1)和二氧的反应生成相应的铜(II)卤代乙酸盐)Cu(CH 3-n X n COO)2或Cu(CH 3-n X n COO)2 L,L = RCOOH,H 2O。通式Cu 2(CH 3-n X n COO)的路易斯碱加合物)已获得4 L 2(X = Cl,n = 1,L = THF; X = Cl,n = 2,L = CH 3 CN; X = Br,n = 1,L = py),并进行了结构表征。它们是双核化合物,显示出典型的桨轮双核结构,即具有四个桥联卤代乙酰基和两个轴向配体。通过使Cu 2 O与CH 2 ClCOOH反应或通过从Cu(CF 3 COO)进行卤代乙酸交换,可以以优异的(X = Cl,Br)或低(X = I)产率制备铜(I)的单卤代乙酸盐络合物。