Formal Lewis acidic character of gold nanocluster catalyst

Sakurai, Hidehiro; Kamiya, Ikuyo; Kitahara, Hiroaki

doi:10.1351/PAC-CON-09-12-06

Pure Appl. Chem., 2010, Vol. 82, No. 11, pp. 2005-2016

http://dx.doi.org/10.1351/PAC-CON-09-12-06

Published online 2010-08-01

Formal Lewis acidic character of gold nanocluster catalyst

Hidehiro Sakurai^1,2,3*, Ikuyo Kamiya² and Hiroaki Kitahara³

¹ PRESTO, Japan Science and Technology Agency, Tokyo 102-0075, Japan
² Research Center for Molecular Scale Nanoscience, Institute for Molecular Science, Myodaiji, Okazaki 444-8787, Japan
³ School of Physical Science, The Graduate University for Advanced Studies, Myodaiji, Okazaki 444-8787, Japan

Abstract: Gold nanoclusters (NCs) stabilized by the poly(N-vinyl-2-pyrrolidone) hydrophilic polymer (Au:PVP) behave not only as aerobic oxidation catalyst but also formal Lewis acid catalyst, which promotes the intramolecular heterocyclization of γ-hydroxyalkenes and γ‑aminoalkenes.