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- Title
Trinuclear Pd<sub>3</sub>O<sub>2</sub> Intermediate in Aerobic Oxidation Catalysis.
- Authors
Ingram, Andrew J.; Solis-Ibarra, Diego; Zare, Richard N.; Waymouth, Robert M.
- Abstract
The activation of O2 is a key step in selective catalytic aerobic oxidation reactions mediated by transition metals. The bridging trinuclear palladium species, [(LPdII)3(μ3-O)2]2+ (L=2,9-dimethylphenanthroline), was identified during the [LPd(OAc)]2(OTf)2-catalyzed aerobic oxidation of 1,2-propanediol. Independent synthesis, structural characterization, and catalytic studies of the trinuclear compound show that it is a product of oxygen activation by reduced palladium species and is a competent intermediate in the catalytic aerobic oxidation of alcohols. The formation and catalytic activity of the trinuclear Pd3O2 species illuminates a multinuclear pathway for aerobic oxidation reactions catalyzed by Pd complexes.
- Subjects
OXIDATION-reduction reaction; TRANSITION metals; PALLADIUM; PROPYLENE glycols; ALCOHOL oxidation
- Publication
Angewandte Chemie, 2014, Vol 126, Issue 22, p5754
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201400134