Synthesis, characterization and crystal structure of a dioxomolybdenum(VI) complex derived from &lt;i&gt;N’&lt;/i&gt;-(2-hydroxy-4-diethaylaminobenzylidene)-4-hydroxybenzohydrazide

G-H Sheng,H-L Zhu,Z-L You

doi:10.4314/bcse.v28i3.10

Abstract

Reaction of [MoO2(acac)2] (where acac = acetylacetonate) with N’-(2-hydroxy-4-diethaylaminobenzylidene)-4-hydroxybenzohydrazide (H2L) in methanol afforded a methanol-coordinated mononuclear molybdenum(VI) oxo complex, [MoO2L(MeOH)]. Crystal and molecular structure of the complex were determined by single crystal X-ray diffraction method. The complex was further characterized by elemental analysis and FT-IR spectra. Single crystal X-ray structural studies indicate that the hydrazone ligand coordinates to the MoO2 core through enolate oxygen, phenolate oxygen and azomethine nitrogen. The Mo atom in the complex is in octahedral coordination. Thermal stability of the complex has also been studied. KEY WORDS: Molybdenum complex, Hydrazone ligand, Crystal structure, X-ray diffraction, Thermal property Bull. Chem. Soc. Ethiop. 2014, 28(3), 409-414.DOI: http://dx.doi.org/10.4314/bcse.v28i3.10

Highlights

Coordination chemistry of molybdenum(VI) has attracted considerable attention due to its biochemical significance [1,2,3] as well as for the efficient catalytic properties in several organic synthesis procedures [4,5,6,7]
Molybdenum complexes with hydrazone ligands have been reported to possess interesting antibacterial activities [16] and catalytic properties [6, 17]
We report the synthesis and structure of a new dioxomolybdenum(VI) complex

Summary

Introduction

Coordination chemistry of molybdenum(VI) has attracted considerable attention due to its biochemical significance [1,2,3] as well as for the efficient catalytic properties in several organic synthesis procedures [4,5,6,7]. Schiff bases are a kind of interesting ligands in coordination chemistry [8,9,10]. Hydrazones, bearing –C(O)–NH–N=CH– groups, are a kind of special Schiff bases, which are of particular interest in coordination chemistry and biological applications. Molybdenum complexes with hydrazone ligands have been reported to possess interesting antibacterial activities [16] and catalytic properties [6, 17].

Results

Conclusion