Catalytic Reactions of Carbene Precursors on Bulk Gold Metal
Y Zhou, BG Trewyn, RJ Angelici…
Index: Zhou, Yibo; Trewyn, Brian G.; Angelici, Robert J.; Woo, L. Keith Journal of the American Chemical Society, 2009 , vol. 131, # 33 p. 11734 - 11743
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Citation Number: 37
Abstract
Bulk gold metal powder, consisting of particles (5− 50 μm) much larger than nanoparticles, catalyzes the coupling of carbenes generated from diazoalkanes (R2C N2) and 3, 3- diphenylcyclopropene (DPCP) to form olefins. It also catalyzes cyclopropanation reactions of these carbene precursors with styrenes. The catalytic activity of the gold powder depends on the nature of the gold particles, as determined by TEM and SEM studies. The reactions ...
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