Au25 nanocluster-catalyzed Ullmann-type homocoupling reaction of aryl iodides.

Au25 nanocluster-catalyzed Ullmann-type homocoupling reaction of aryl iodides.

Chemical communications (Cambridge, England) (2012-11-07)

Gao Li, Chao Liu, Yu Lei, Rongchao Jin

ZUSAMMENFASSUNG

The Au(25)(SR)(18)/CeO(2) nanocluster catalyst showed high activity in the homocoupling of aryl iodides (e.g. up to 99.8% yield with iodobenzene) and excellent recyclability.

MATERIALIEN

Produktnummer

Marke

Produktbeschreibung

544841

Sigma-Aldrich

Cer(IV)-oxid, nanopowder, <25 nm particle size (BET)

211575

Sigma-Aldrich

Cer(IV)-oxid, powder, <5 μm, 99.9% trace metals basis

22390

Sigma-Aldrich

Cer(IV)-oxid, ≥99.0%

700290

Sigma-Aldrich

Cer(IV)-oxid, nanopowder, <50 nm particle size (BET), 99.95% trace rare earth metals basis

202975

Sigma-Aldrich

Cer(IV)-oxid, powder, 99.995% trace metals basis

643009

Sigma-Aldrich

Cerium(IV)-oxid, Dispersion -Lösung, nanoparticles, <25 nm particle size, 10 wt. % in H₂O

289744

Sigma-Aldrich

Cerium(IV)-oxid, Dispersion -Lösung, 20 wt. % colloidal dispersion in 2.5% acetic acid, 30-50 nm avg. part. size