Synthesis, characterization and the study of the effect of electronegativity on the redox and catalytic properties of a series of new oxovanadium(IV) schiff base complexes derived frommesostilbenediamine Print
Author(s):
Abstract:
The present work describes the synthesis، characterization and the investigation of electrochemical and catalytic performance of a series of new N2O2type oxidovanadium (IV) Schiff base complexes. The Schiff base ligands had salophen type structure and were derived from the condensation of 4-methyl or 4- nitro-1،2-phenylenediamine with salicylaldehyde. The catalytic ability of the complexes was studied in the process of epoxidation of cyclooctene with tert-butylhydroperoxide (TBHP). Several factors affecting this catalytic ability was optimized such as solvent type، catalyst amount، substrate to oxidant ratio، and reaction time. Electrochemical studies revealed that in the presence of electron withdrawing groups، the VIV/VV redox potentials shifted to more positive values. Besides، the catalytic performance of the complexes was increased by this increase.
Keywords:
Language:
Persian
Published:
Journal of Applied Chemistry Today, Volume:7 Issue: 22, 2012
Pages:
31 to 42
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