Complexes of poly(2-<Emphasis Type="Italic">N,N</Emphasis>-dimethylaminoethyl) methacrylate with heavy metals
II. Oxidation of cyclohexene with <Emphasis Type="Italic">tert</Emphasis>-butylhydroperoxide |
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| Authors: | Krassimir Vassilev Sevdalina Turmanova |
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| Affiliation: | (1) Department of Biotechnology, ‘‘Prof. Assen Zlatarov’’ University, Y.Yakimov Str. 1, 8010 Burgas, Bulgaria;(2) Department of Materials Science, ‘‘Prof. Assen Zlatarov’’ University, Y.Yakimov Str. 1, 8010 Burgas, Bulgaria |
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| Abstract: | Metal complexes of poly(2-N,N-dimethylaminoethyl) methacrylate
were prepared by complex-forming with aqueous solutions of salts of FeSO4.2H2O;
CoCl2.6H2O; CuCl2.2H2O;
VOSO4.5H2O; Na2MoO4.2H2O
and Na2WO4.2H2O. The catalytic activity
of the complexes was studied in the oxidation of cyclohexene as a model reaction. The activities of
the complexes synthesized towards the reaction of cyclohexene epoxidation can be arranged by the following
order: PDMAEM-MoO2
2+> PDMAEM-VO2+
> PDMAEM-WO2
2+> PDMAEM-Co2+
> PDMAEM-Fe3+> PDMAEM-Cu2+. The complexes
catalyzing the homolytic decomposition of tert-butylhydroperoxide increased
the maximum yield of 2-cyclohexene-1-ol and 2-cyclohexene-1-on. The yield of cyclohexene oxide and 2-cyclohexene-1-ol
were 58% and 13%, respectively. |
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| Keywords: | |
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