期刊信息

  • 刊名： 河北师范大学学报（自然科学版）Journal of Hebei Normal University (Natural Science)
  • 主办： 河北师范大学
  • ISSN： 1000-5854
  • CN： 13-1061/N
  • 中国科技核心期刊
  • 中国期刊方阵入选期刊
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  • 华北优秀期刊
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基于丙氨酸衍生物的2种Cu(Ⅱ)手性配合物的合成、晶体结构及电化学性质

  • （河北师范大学 化学与材料科学学院,石家庄 050024）
  • DOI： 10.13763/j.cnki.jhebnu.nse.202503004

Syntheses,Crystal Structures and Electrochemical Properties of Two Cu(Ⅱ) Chiral Complexes Based on Alanine Derivatives

摘要/Abstract

摘要：

以N-(4-羧基)苯甲酰基-D-丙氨酸(D-H2pmala)为主配体,合成了2种Cu(Ⅱ)手性配合物[Cu2(D-pmala)2(5,5′-DM-2,2′-bipy)2（H2O）]n(1)(DM=二甲基，bipy=联吡啶)和{[Cu2(D-pmala)2(bpp)4]·H2O}n (2)（bpp=1,3-双(4-吡啶基)丙烷)，并对其进行了元素分析(EA)、红外光谱(IR)、粉末X射线衍射(PXRD)、热重分析(TG)、圆二色光谱(CD)及单晶X射线衍射(SXRD)表征.结果表明：配合物1为单斜晶系，P21手性空间群，呈一维右手螺旋链结构；配合物2为三斜晶系，P1手性空间群，呈一维双链结构；2者均在氢键作用下拓展为三维超分子结构，不同的含氮辅助配体对配合物的结构有重要影响；2种配合物均表现出良好的电化学氧化还原行为.

Abstract：

By using N-(4-carboxyl)benzoyl-D-alanine(D-H2pmala) as main ligand,two Cu（Ⅱ）chiral complexes,[Cu2(D-pmala)2(5,5′-DM-2,2′-bipy)2（H2O）]n(1)（DM=dimethyl,bipy=bipyridine）and {[Cu2(D-pmala)2(bpp)4]·H2O}n (2)（bpp=1,3-bis(4-pyridyl)propane) were synthesized.The two complexes were characterized by elemental analysis(EA),infrared spectroscopy(IR),powder X-ray diffraction(PXRD),thermogravimetric analysis(TG),circular dichroism spectra(CD) and single crystal X-ray diffraction(SXRD).The results showed that complex 1 crystallized in monoclinic crystal system with P21 chiral space group and displayed a one-dimensional right-hand spiral chain structure.Complex 2 crystallized in triclinic crystal system with P1 chiral space group and showed a one-dimensional double-chain structure.Both complexes are further expanded into three-dimensional supramolecular structures by the hydrogen bonding.The structural analyses indicates that different N-containing ancillary ligands have a subtle effect on the final structure.Both complexes exhibit good electrochemical redox behavior.

关键词

关键词： N-(4-羧基)苯甲酰基-D-丙氨酸 ; 手性配合物 ; 晶体结构 ; 电化学性质
Key words： N-(4-carboxyl)benzoyl-D-alanine ; chiral complex ; crystal structure ; electrochemical property

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