[Co(2,3-tri)(cmen)Cl]ZnCl_4配合物的合成与分离

Synthesis and separation of the [Co(2,3-tri)(cmen)Cl]ZnCl_4

采用过氧化物法合成 [Co(2 ,3 tri) (cmen)Cl]ZnCl4 (2 ,3 tri=N (2 Aminoethyl) 1,3 propanediamine ;cmen =1,2 Diaminopropane)体系的异构体混合物 ,通过从Dowex(H+ )柱分离得到5带配合物 ,将配合物用H2 ZnCl4 结晶 ,利用一维13C及1HNMR检测所得晶体 ,其中第 2带、第 4带是纯几何异构体。利用控制碱水解第 1带异构体混合物再次用Dowex(H+ )柱分离共得到 8带配合物 ,采用相同方法得到除第 1带外的共 7带H2 ZnCl4 晶体 ,测13CNMR谱及1HNMR谱 ,其中有5带纯几何异构体。因此碱水解得到 5种纯几何异构体。经分析比较两种方法所得结果 ,共得到了 7种纯 [Co(2 ,3 tri) (cmen)Cl]ZnCl4

Co(2,3 tri)(cmen)Cl]ZnCl 4 system have been synthesised by decomposing per oxide complex, (here 2,3 tri=N (3 Aminoethyl) 1,3 propanediamine; cmen=1,2 Diaminopropane). Five bands were developed on a Dowex(H +) column, crystallize complexes with H 2ZnCl 4, through 1D 13 C and 1 H NMR , we can know the band two and four are pure geometrical isomer. By control base hydrolysis the band 1 isomer, eight bands were developed on a Dowex(H +) column, through the same gateway, we can gain seven crystals except the band one and five pure geometrical isomers in it. After analysis and compared with the corollary, we gain seven pure geometrical isomers of [Co(2,3 tri)(cmen)Cl]ZnCl 4 system.