Dibenzoyl peroxide undergoes oxidative addition on metallic copper with triphenylphosphine in a mixed solvent(acetone,dichloromethane and trichloromethane),and affords the binuclear copper complex (Cu(C_6H_5COO)_2(OPP...Dibenzoyl peroxide undergoes oxidative addition on metallic copper with triphenylphosphine in a mixed solvent(acetone,dichloromethane and trichloromethane),and affords the binuclear copper complex (Cu(C_6H_5COO)_2(OPPh_3))_2.Crystals are monoclinic,space group A_2/a,with cell parameters,a=24.337(3),b=10.566(1),c=21.579(2),β= 93.18(1)°, V=5540(1)~3,Z=4,R=0.042,and Rw=0.044 for 5872 observed reflections. Each copper ion is coordinated by four bridging benzoato ligands and one triphenylphosphine oxide group to form binuclear complexes.展开更多
In studies on the extraction chemistry of gold, the extractants of alcohols, ethers, ketones and amines are widely used. The neutral extractants tributylphosphate (TBP) and trioctylphosphine oxide (TPPO) have been wid...In studies on the extraction chemistry of gold, the extractants of alcohols, ethers, ketones and amines are widely used. The neutral extractants tributylphosphate (TBP) and trioctylphosphine oxide (TPPO) have been widely applied. A few experiments on the synthesis of solid complexes of transition metal ions with TPPO have been car-展开更多
文摘Dibenzoyl peroxide undergoes oxidative addition on metallic copper with triphenylphosphine in a mixed solvent(acetone,dichloromethane and trichloromethane),and affords the binuclear copper complex (Cu(C_6H_5COO)_2(OPPh_3))_2.Crystals are monoclinic,space group A_2/a,with cell parameters,a=24.337(3),b=10.566(1),c=21.579(2),β= 93.18(1)°, V=5540(1)~3,Z=4,R=0.042,and Rw=0.044 for 5872 observed reflections. Each copper ion is coordinated by four bridging benzoato ligands and one triphenylphosphine oxide group to form binuclear complexes.
基金Project supported by the Science Fund of the Academia Sinica
文摘In studies on the extraction chemistry of gold, the extractants of alcohols, ethers, ketones and amines are widely used. The neutral extractants tributylphosphate (TBP) and trioctylphosphine oxide (TPPO) have been widely applied. A few experiments on the synthesis of solid complexes of transition metal ions with TPPO have been car-