| 基于席夫碱配体的两个Zn(Ⅱ)配合物的设计、合成及对Al3+的检测 | |
| Design, synthesis, and detection of Al3+ of two zinc complexes based on Schiff base ligands | |
| 摘要: 以噌啉-3-基肼配体和金属锌为基础，分别引入2-羟基-4-甲氧基苯甲醛和2-羟基-3-甲氧基苯甲醛配体，采用“一锅法”成功合成了2例新的配合物[Zn2(L1)(HL1)(NO3)]·CH3OH (1)和[Zn3(L2)(L3)3Cl]·CH3OH (2)，其中H2L1=5-甲氧基-2-(邻苯二甲嗪-1-基腙甲基)-苯酚，H2L2=2-甲氧基-6-(邻苯二甲嗪-1-基腙甲基)-苯酚，HL3=2-(1，8-二氢-[1，2，4]三唑并[3，4-α]酞嗪-3-基)-6-甲氧基苯酚。配合物1和2通过红外光谱、元素分析、单晶X射线衍射、粉末X射线衍射等进行了表征。值得注意的是，噌啉-3-基肼配体与 2-羟基-3-甲氧基苯甲醛原位反应进而与 Zn(Ⅱ)配位时形成了 2种类型的席夫碱(H2L2和 HL3),并且 HL3也有 2种配位模式。此外，荧光研究表明配合物1可以在水中实现对Al3+的选择性和灵敏传感，且检测限为6.37 μmol·L-1。 | |
| 关键词: 锌配合物|席夫碱|荧光|Al3+检测 | |
| 基金项目: 山西省青年科学项目(No.202403021212027，202403021222255)资助。 | |
| Abstract: Two new complexes, [Zn2(L1)(HL1)(NO3)]·CH3OH (1) and [Zn3(L2)(L3)3Cl]·CH3OH (2), were successfully synthesized by‘one-pot’method based on cinnoline-3-ylhydrazine ligand and zinc with 2-hydroxy-4-methoxybenzaldehyde and 2-hydroxy-3-methoxybenzaldehyde ligands, respectively, where H2L1=5-methoxy-2-(phthalazin-1-ylhydrazonomethyl)-phenol, H2L2=2-methoxy-6-(phthalazin-1-yl-hydrazonomethyl)-phenol, HL3=2-(1,8-dihydro-[1,2, 4]triazolo[3,4-α]phthalazin-3-yl)-6-methoxy-phenol. Complexes 1 and 2 were characterized by infrared spectroscopy, elemental analysis, single-crystal X-ray diffraction, powder X-ray diffraction, etc. It is worth noting that the cinnolin-3-yl-hydrazine ligand and 2-hydroxy-3-methoxybenzaldehyde form two types of Schiff bases (H2L2 and HL3) when in situ reacting and coordinating with Zn(Ⅱ), and HL3 also has two coordination modes. In addition, the fluorescence performance showed that complex 1 can achieve selective and sensitive sensing of Al3+ in water with a detection limit of 6.37 μmol·L-1. | |
| Keywords: Zn-complex|Schiff base|fluorescence|Al3+ detection | |
| 投稿时间：2025-01-05 修订日期：2025-04-07 | |
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