两种苯磺酸镁配合物的结构及催化性能研究  

Study on the structure and the catalytic property of two Magnesium benzenesulfonates complexes

作　　者：宋志国 蒋晓宇 赵爽[2] 万鑫[2] 王敏[2] SONG Zhi-guo;JIANG Xiao-yu;ZHAO Shuang;WAN Xin;WANG Min(Experimental Center,Bohai University,Jinzhou 121013,China;College of Chemistry&Chemical Engineering,Bohai University,Jinzhou 121013,China)

机构地区：[1]渤海大学实验中心,辽宁锦州121013 [2]渤海大学化学化工学院,辽宁锦州121013

出　　处：《化学研究与应用》2020年第9期1685-1690,共6页Chemical Research and Application

基　　金：辽宁省自然科学基金(2019-MS-005);辽宁省教育厅项目(LJ2019007,LQ2017012,LQ2017010)资助。

摘　　要：氧化镁分别与苯磺酸、对甲基苯磺酸反应,合成了两种镁的配合物[Mg(H2O)6](C6H5SO3)2(1)和[Mg(H2O)6](p-CH3C6H4SO3)2(2),通过红外、热重和X-射线单晶衍射等手段进行了表征。单晶结构分析表明:两种配合物均属于单斜晶系,P21/n空间群,都含有6个结晶水,镁离子均未与磺酸根配位。配合物1的晶胞参数为a=6.9665(5),b=6.3000(5),c=22.5860(18),α=90°,β=93.665(2)°,γ=90°,V=989.25(13)3,Z=2。配合物2的晶胞参数为a=6.9528(5),b=6.2878(5),c=25.3584(18),α=90°,β=91.749(2)°,γ=90°,V=1108.1(14)3,Z=2。实验使用Mannich反应作为探针,研究了两种配合物的催化性能,证明配合物1和2均具有催化活性,且配合物2的催化效果更好(CCDC:1:1954010;2:1952615)。Two kinds of magnesium complexes[Mg(H2O)6](C6H5SO3)2(1)and[Mg(H2O)6](p-CH3C6H4SO3)2(2)were synthesized by the reaction of magnesium oxide with benzenesulfonic acid or p-toluenesulfonic acid.They were characterized by IR,TG and X-ray single crystal diffraction.According to the analysis of single crystal structure,both the two complexes belong to monoclinic system,P21/n space group,and include 6 crystal waters.Magnesium ions in them do not coordinate with the sulfuric radicals.The crystal cell parameter of complex 1 is a=6.9665(5),b=6.3000(5),c=22.5860(18),α=90°,β=93.665(2)°,γ=90°,V=989.25(13)3,Z=2.The crystal cell parameter of complex 2 is a=6.9528(5),b=6.2878(5),c=25.3584(18),α=90°,β=91.749(2)°,γ=90°,V=1108.1(14)3,Z=2.The catalytic property of the two complexes was studied using Mannich as the probe reaction.The experimental results show both complexes 1 and 2 have catalytic activity,and the catalytic activity of complex 2 is better than that of complex 1.

关 键 词：苯磺酸镁 对甲基苯磺酸镁 结构表征 催化性能 

分 类 号：O614.22[理学—无机化学]