Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/30218
Title: A non-cross-linked soluble polystyrene-supported ruthenium catalyst for carbenoid transfer reactions
Authors: Chi, MKW
Yu, WY 
So, MH
Zhou, CY
Deng, QH
Che, CM
Keywords: Carbenoid
Catalysis
Nanoparticles
Ruthenium
Soluble polymers
Issue Date: 2008
Publisher: Wiley-V C H Verlag Gmbh
Source: Chemistry - an Asian journal, 2008, v. 3, no. 8-9, p. 1256-1265 How to cite?
Journal: Chemistry - An Asian Journal 
Abstract: Ruthenium nanoparticles supported on non-cross-linked soluble polystyrene were prepared by reacting [RuCl2(C6H5CO 2Et)]2 with polystyrene in open air. They effectively catalyze intra-and intermolecular carbenoid insertion into C-H and N-H bonds, alkene cyclopropanation, and ammonium ylide/[2,3]-sigmatropic rearrangement reactions. This supported ruthenium catalyst is much more reactive than [RuCl2(p-cymene)]2 and [Ru(Por)CO] for catalytic intermolecular carbenoid C-H bond insertion into saturated alkanes. By using α-diazoacetamide as a substrate for intramolecular carbenoid C-H insertion, the supported ruthenium catalyst can be recovered and reused for ten successive iterations without significant loss of activity.
URI: http://hdl.handle.net/10397/30218
DOI: 10.1002/asia.200800144
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