Abstract
New dioxovanadium(V) complex bearing tridentate ligand of 1:1
condensation of 1,2-propylenediamine and
2'-hydroxy-4'-methoxyacetophenone has been synthesized and characterized
by IR and H-1 NMR spectroscopy and elemental analysis. The
single-crystal structure of the complex shows that each vanadium(V) ion
is six-coordinate through three bonds to oxo groups and through bonds to
the tridentate Schiff base ligand. The title complex is used as catalyst
for the selective epoxidation of cyclooctene. The catalytic system
described here is an efficient and inexpensive method for the oxidation
of olefins, with the advantages of high activity, selectivity, and short
reaction time. (C) 2007 Elsevier B.V. All rights reserved.
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