多胺配体及其配合物的合成与热力学性质研究(英文)
Synthesis and Thermodynamic Properties of Five Multidentate Ligands and Their Complexes
作者单位
武向侠 南开大学化学系天津 300071 
林海 南开大学功能高分子材料教育部重点实验室天津 300071 
林华宽 南开大学化学系天津 300071 
摘要: 合成并表征了5个多胺配体N,N′-二(1,10-菲罗啉-2-亚甲基)-1,2-乙二胺(L1),1,7-二(1,10-菲罗啉-2-亚甲基)-1,4,7-三氮杂庚烷(L2),1,10-二(1,10-菲罗啉-2-亚甲基)-1,4,7,10-四氮杂癸烷(L3),1,13-二(1,10-菲罗啉-2-亚甲基)-1,4,7,10,13-五氮杂十三烷(L4),N,N′-二(1,10-菲罗啉-2-亚甲基)-1,3-丙二胺(L5)。利用pH电位滴定法在25.0 ± 0.1 ℃时测定了这5个配体的质子化常数及其与Co(Ⅱ),Ni(Ⅱ),Cu(Ⅱ)和Zn(Ⅱ)形成配合物的稳定常数,并且试图解释了这5个系列配合物的差异。
关键词: 多胺配体  过渡金属配合物  质子化常数  稳定常数
基金项目: 
Abstract: Five multidentate ligands: N,N′-di(1,10-phenanthroline-2-methylene)-1,2-ethylenediamine(L1),1,7-di(1,10-phenanthroline-2-methylene)-n-1,4,7-triazaheptane(L2), 1,10-di(1,10-phenanthroline-2-methylene)-n-1,4,7, 10-tetraazadecane(L3), 1,13-di(1,10-phenanthroline-2-methylene)-n-1,4,7,10,13-pentaazatridecane(L4), N,N′-di(1,10-phenanthroline-2-methylene)-1,3-diaminopropane(L5) were synthesized and characterized. The stability of the complexes of the five ligands with transition metal ions Co(Ⅱ), Ni(Ⅱ), Cu(Ⅱ) and Zn(Ⅱ) was studied by the potentiometric technique in water and I=0.1 mol·dm-3 KNO3 at 25.0 ± 0.1 ℃, respectively. The difference among the five series of complexes is tentatively explained.
Keywords: multidentate ligands  transition metal complexes  protonation constants  stability constants
 
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武向侠,林海,林华宽.多胺配体及其配合物的合成与热力学性质研究(英文)[J].无机化学学报,2007,23(2):231-236.
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