摘要
利用双齿膦配体1,1—双(二苯基膦)甲烷(dppm)和1,2—双(二苯基膦)乙烷(dppe)的还原性以及硝酸根配体的易变特性,通过配体还原反应和配体取代反应,于甲醇溶剂中,在dppm和dppe的存在下,合成了两个双核铜(Ⅰ)配合物[Cu(dppm)(L)]_2(L分别为BH_4^-和ClO_4^-)和两个单核铜(Ⅰ)配合物[Cu(dppe)(L)](L分别为BH_4^-和ClO_4^-).本文又采用两种不同的方法合成了两个混配铜(Ⅱ)配合物,其中一个为双核配合物[Cu(dppm)(CF_3COO)_2]_2,而另一个为单核配合物[Cu(dppe)(CF_3COO)_2]·3H_2O.对以上配合物的结构进行了初步表征.研究结果表明含dppm的配合物均为双核配合物,而含dppe的配合物均为单核配合物.在本研究的实验条件下,硝酸铜被双齿膦配体还原得到铜(Ⅰ)配合物,而乙酸铜则不能被双齿膦配体还原(有极少量的乙酸铜被还原成铜(Ⅰ)配合物).
Two new mixed-ligand copper(Ⅱ) complexes [Cu(dppm)(CF3COO)J2 and [Cu(dppe) (CF3COO)?? 3H2O were synthesized, and two binuclear copper ( Ⅰ) complexes [Cu(dppm) (L)]2and two mononuclear copper( Ⅰ )complexes [Cu(dppe)(L)](dppm = Ph2PCH2PPh2, dppe = Ph2PCH2CH2PPh2, L = BH4-, ClO4-, respectively) were synthesized in solvent of methanol by reactions of ligand-reduction and ligand-substitution by taking the advantage of the reductive ability of dppm and dppe and the labile characteristics of weakly coordinated ligand NO3-. Structural characterizations of these complexes were done by means of elemental analyses, ICP, molecular weight determination, IR, TG and ESR.
出处
《无机化学学报》
SCIE
CAS
CSCD
北大核心
1993年第4期379-383,共5页
Chinese Journal of Inorganic Chemistry
关键词
铜络合物
合成
结构
copper complex, syntheses, dppm, dppe, ligand-reduction reaction ligand-substitution reaction
