Synthesis, Characterization and Bioactivity of Rare Earth Complexes with Pyruvic Acid‐Salicylhydrazone

F.‐Y. Chen Department of Chemistry, Shaanxi Key Laboratory of Physico‐Inorganic Chemistry, Northwest University, Xi'an, China

W.‐K. Cao Department of Chemistry, Shaanxi Key Laboratory of Physico‐Inorganic Chemistry, Northwest University, Xi'an, China

X.‐R. Liu Department of Chemistry, Xi'an University of Science and Technology, Yangling, China

K. Peng Department of Chemistry, Shaanxi Key Laboratory of Physico‐Inorganic Chemistry, Northwest University, Xi'an, China

Sh.‐Y. He Department of Chemistry, Shaanxi Key Laboratory of Physico‐Inorganic Chemistry, Northwest University, Xi'an, ChinaCorrespondence[email protected]

R.‐X. Wang Institute of Plant Protection, Northwest Science and Technology University of Agriculture and Forestry, Yangling, China

Q.‐Zh. Shi Department of Chemistry, Shaanxi Key Laboratory of Physico‐Inorganic Chemistry, Northwest University, Xi'an, China

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Abstract

The pyruvic acid‐salicylhydrazone (H₂L, C₁₀H₁₀N₂O₄ for short) and its new complexes with rare earth(III) were synthesized and characterized by elemental and EDTA volumetric analyses, IR, UV, Excitation Spectra and X‐ray powder diffraction. The results of the bioactivity experiment showed some complexes to exhibit excellent activity against Botrytis cirerea Pers.ex Tris., Alternaria alternata Fries keissler and Puccinia striiformis Westendorp. The new complexes were found to be more active than the chelating agent involved.

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Acknowledgement

We sincerely thank the support of the Natural Science Foundation of Shaanxi Province (No. 2004BO2) and Educational Committee Foundation of Shaanxi Province (No. 06JCO2).

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Synthesis, Characterization and Bioactivity of Rare Earth Complexes with Pyruvic Acid‐Salicylhydrazone

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Synthesis, Characterization and Bioactivity of Rare Earth Complexes with Pyruvic Acid‐Salicylhydrazone

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