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Oxidative Homo-coupling of Potassium Aryltrifluoroborates Catalyzed by Gold Nanocluster Under Aerobic Conditions by Hidehiro Sakurai; Hironori Tsunoyama; Tatsuya Tsukuda is a Chemistry article available to read on EtoBox.

What is Oxidative Homo-coupling of Potassium Aryltrifluoroborates Catalyzed by Gold Nanocluster Under Aerobic Conditions about?

Gold(0) nanoclusters, stabilized by poly(N-vinyl-2-pyrrolidone) (Au:PVP-n), catalyzed the oxidative homo-coupling reaction of potassium aryltrifluoroborate in water under air. Catalytic activity was dependent on the size of clusters. The smallest cluster Au:PVP-1 (d av = 1.3 ± 0.3 nm) gave the highest activity, while Au:PVP-7 (d av = 9.5 ± 1.0 nm) did not catalyze the homo-coupling. The catalyst was reusable for several times. Positively charged surface on the Au cluster, generated by the adsorption of molecular oxygen, would be the active site of the catalysis.

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Author

Hidehiro Sakurai; Hironori Tsunoyama; Tatsuya Tsukuda

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0022-328X)

Published

2007

Language

EN

Field

Chemistry (Physical Sciences)