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Accession number;99A0308735
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| Title;Mechanistic Studies on C-H Activation by Copper-Dioxygen Complex. |
| Author;
ITOH S
(Osaka Univ., Osaka)
TAKI M
(Osaka Univ., Osaka)
NAKAO H
(Osaka Univ., Osaka)
FUKUZUMI S
(Osaka Univ., Osaka)
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Journal Title;Abstr Symp Organomet Chem Jpn
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Journal Code:L0853A
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ISSN:
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VOL.45th;NO.;PAGE.84-85(1998)
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| Figure&Table&Reference; |
| Pub. Country;Japan |
| Language;English |
| Abstract;Aliphatic ligand hydroxylation of copper(I) complexes with a series of tridentate and bidentate ligands by dioxygen has been investigated in order to shed light on the mechanism of the dioxygen activation and the hydrocarbon oxygenation reactions at copper ion centers. On the basis of product analysis and kinetics together with spectroscopic examination on the reaction intermediates, we propose that the aliphatic ligand hydroxylation proceeds from a bis-.MU.-oxodicopper(III) type intermediate that is formed by O-O bond homolysis of a .MU.-.ETA.2:.ETA.2-peroxodicopper(II) species. It has been found that the ligand modification significantly alters the rate-determining step in such a reaction sequence. (author abst.) |
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