Syntheses and stereochemistry of dicobalt(II) complexes [Co2(dppm)(μ-SR)2(SR)2](dppm Ph2PCH2PPh2; R C6H5, m-C6H4CH3, p-C6H4CH3 and p-C6H4-tC4H9) and [Co2(dppe)(μ-SPh)3(SPh)] (dppe Ph2PCH2CH2PPh2)
作者:Guowei Wei、Hanqin Liu、Zhiying Huang、Maochun Hong、Liangren Huang、Beisheng Kang
DOI:10.1016/s0277-5387(00)83611-6
日期:1991.1
(R C6H5, 1; m-C6H4CH3, 2; p-C6H4CH3, 3; and p-C6H4- tC4H9,4). Compound 1 crystallizes in two different isomeric crystals, 1A and 1S, containing three stereoisomers of molecular conformations: 1aa, 1sa and 1ss. The two different crystal structures of compound 1 were confirmed by thermal analysis and IR spectra. Compound 2 crystallizes with molecules of type ss. Compound [Co2(dppe)(μ-SPh)3(SPh)] (5)
摘要由Co(dppm)2Cl2或Co(dppm)Cl2与硫醇盐和元素硒或硫在DMF中反应制得了以下高收率的配合物:[CO2(dppm)(μ-SR)2(SR)2] (R C6H5,1; m-C6H4CH3,2; p-C6H4CH3,3;和p-C6H4-tC4H9,4)。化合物1在两个不同的异构体晶体1A和1S中结晶,其中包含三种分子构型的立体异构体:1aa,1sa和1ss。通过热分析和IR光谱证实了化合物1的两种不同的晶体结构。化合物2结晶为ss型分子。化合物[Co 2(dppe)(μ-SPh)3(SPh)](5)是具有一个五配位钴原子和一个四配位钴原子的不对称分子。根据EPR光谱和磁化率数据,