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| Design, synthesis, and detection of Al3+ of two zinc complexes based on Schiff base ligands |
| Author Name | Affiliation | E-mail | | YANG Yuanyu | College of Chemistry and Chemical Engineering, Shanxi Datong University, Datong, Shanxi 037009, China | | | XUE Jianhua | College of Chemistry and Chemical Engineering, Shanxi Datong University, Datong, Shanxi 037009, China | | | BAI Yujia | College of Chemistry and Chemical Engineering, Shanxi Datong University, Datong, Shanxi 037009, China | | | CUI Lulu | College of Chemistry and Chemical Engineering, Shanxi Datong University, Datong, Shanxi 037009, China | | | YANG Dongdong | College of Chemistry and Chemical Engineering, Shanxi Datong University, Datong, Shanxi 037009, China | ddyang@sxdtdx.edu.cn | | MA Qi | College of Chemistry and Chemical Engineering, Shanxi Datong University, Datong, Shanxi 037009, China
Department of Chemistry, Xinzhou Normal University, Xinzhou, Shanxi 034000, China | maqihx@163.com |
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| 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-methoxybenz-aldehyde and 2-hydroxy-3-methoxybenzaldehyde ligands, respectively, where H2L1=5-methoxy-2-(phthalazin-1-yl-hydrazonomethyl)-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 |
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| YANG Yuanyu,XUE Jianhua,BAI Yujia,CUI Lulu,YANG Dongdong,MA Qi.Design, synthesis, and detection of Al3+ of two zinc complexes based on Schiff base ligands[J].Chinese Journal of Inorganic Chemistry,2025,41(6):1207-1216. |
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