Iridium-Catalyzed X−H Insertions of Sulfoxonium Ylides
作者:Ian K. Mangion、Ikenna K. Nwamba、Michael Shevlin、Mark A. Huffman
DOI:10.1021/ol901298p
日期:2009.8.20
The unique reactivity of sulfoxonium ylides as a carbene source is described for a variety of X-H bond insertions, taking advantage of a simple, commercially available iridium catalyst. This method has applications in both intra- and intermolecular reactivity, including a practical ring-expansion strategy for lactams. The safety and stability of sulfoxonium ylides recommend them as preferable surrogates to traditional diazo ketones and esters.
Gold (I) catalysis of X–H bond insertions
作者:Ian K. Mangion、Mark Weisel
DOI:10.1016/j.tetlet.2010.08.038
日期:2010.10
The utility of gold catalysis for carbene X-H bond insertion chemistry is described for the first time, taking advantage of the unique reactivity of sulfoxonium ylides as metal carbene precursors. (C) 2010 Elsevier Ltd. All rights reserved.