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Trinuclear Pd3O2 intermediate in aerobic oxidation catalysis.
Ingram, Andrew J; Solis-Ibarra, Diego; Zare, Richard N; Waymouth, Robert M.
Affiliation
  • Ingram AJ; Department of Chemistry, Stanford University, 333 Campus Drive, Stanford, CA 94305-5080 (USA).
Angew Chem Int Ed Engl ; 53(22): 5648-52, 2014 May 26.
Article in En | MEDLINE | ID: mdl-24711099
ABSTRACT
The activation of O2 is a key step in selective catalytic aerobic oxidation reactions mediated by transition metals. The bridging trinuclear palladium species, [(LPd(II))3(µ(3)-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.
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Full text: 1 Database: MEDLINE Main subject: Palladium Language: En Year: 2014 Type: Article

Full text: 1 Database: MEDLINE Main subject: Palladium Language: En Year: 2014 Type: Article