作者:Tae-Lim Choi、Choon Woo Lee、Arnab K. Chatterjee、Robert H. Grubbs
DOI:10.1021/ja016386a
日期:2001.10.1
become a valuable reaction in organic synthesis, as has been demonstrated by its frequent use as the key bond constructions for total syntheses of many natural products. With the recent discovery of highly active catalyst 1, trisubstituted and functionalized alkenes have been synthesized efficiently by cross-metathesis (CM), further expanding the substrate scope for this reaction. With these successes in
Immobilization of the Grubbs second-generation ruthenium-carbene complex on poly(ethylene glycol): a highly reactive and recyclable catalyst for ring-closing and cross-metathesis
作者:Qingwei Yao、Adalie Rodriguez Motta
DOI:10.1016/j.tetlet.2004.01.036
日期:2004.3
catalyst derived from the Grubbs second-generation Ru carbene complex was synthesized and shown to be highly reactive in the ring-closing metathesis of a wide variety of diene substrates, yielding di-, tri-, and tetra-substituted carbocyclic and heterocyclic olefins. The immobilized catalyst also proved to be highly reactive and recyclable in cross-metathesis and ring-opening/cross-metathesis. In all cases
[EN] WATER SOLUBLE OLEFIN METATHESIS<br/>[FR] MÉTATHÈSE D'OLÉFINES HYDROSOLUBLES
申请人:UNIV CALIFORNIA
公开号:WO2009009597A1
公开(公告)日:2009-01-15
This invention provides a composition comprising (a) a catalyst; and (b) a solubilizing agent, wherein the catalyst is utilized in a metathesis reaction.
Olefin Cross-Metathesis Reactions at Room Temperature Using the Nonionic Amphiphile “PTS”: Just Add Water
作者:Bruce H. Lipshutz、Grant T. Aguinaldo、Subir Ghorai、Karl Voigtritter
DOI:10.1021/ol800028x
日期:2008.4.1
cross-metathesis reactions in water, involving water-insoluble substrates, at roomtemperature and using commercially available catalysts are reported. The key to success is to include small percentages of the nonionic, vitamin E-based amphiphile "PTS". The nanometermicelles formed accommodate water-insoluble substrates, along with a readily available Ru-based metathesis catalyst. Reactions proceed