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

ABSTRACT

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.

MATERIALS

Product Number

Brand

Product Description

289744

Sigma-Aldrich

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

544841

Sigma-Aldrich

Cerium(IV) oxide, nanopowder, <25 nm particle size (BET)