Studies on Lead(Ⅱ) Complexes of Ferrocenylaldehyde Aroylhydrazones

Chemical Research in Chinese Universities ›› 1999, Vol. 15 ›› Issue (4): 301-305.

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Studies on Lead(Ⅱ) Complexes of Ferrocenylaldehyde Aroylhydrazones

ZHANG Hong-yun¹, JI Cui-rong², NIU Yun-yin², WU Qing-an², ZHANG Hong-quan ²

1. School of Chemistry and Chemical Engineering, Zhengzhou University, Zhengzhou 450052 P. R. China;
2. School of Public Hygiene, Henan Medical University, Zhengzhou 450052, P. R. China

Received:1999-03-30 Online:1999-12-24 Published:2011-08-17
Supported by:
Supported by the National Natural Science Foundation of China.

Abstract

Abstract: The complexes of four ferrocenylaldehyde aroylhydrazones with lead(Ⅱ) were synthesized and characterized. Their compositions, bonding forms and properties were researched by means of elemental analysis, IR, UV-Vis, ¹H NMR spectra, thermal analysis and molar conductance. The free ligands which existed in the keto form coordinated to lead(Ⅱ) in the enol form to form neutral complexes. The molar ratio of the ligand to lead(Ⅱ) is 2∶1 and the thermal stability of the complex is higher than that of the corresponding ligand because of the formation of the stable chelate ring. The ligands and the complexes are all non-electrolytes.

Key words: Ferrocene, Hydrazone, Complex, Lead(Ⅱ)

ZHANG Hong-yun, JI Cui-rong, NIU Yun-yin, WU Qing-an, ZHANG Hong-quan  . Studies on Lead(Ⅱ) Complexes of Ferrocenylaldehyde Aroylhydrazones[J]. Chemical Research in Chinese Universities, 1999, 15(4): 301-305.

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Studies on Lead(Ⅱ) Complexes of Ferrocenylaldehyde Aroylhydrazones

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