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A novel carbene ruthenium complex as reusable and selective two-electron catalyst for alkene epoxidation

A new ruthenium aquo catalyst with the formula trans-[Ru(II)(CN-Me)(trpy) OH2](PF6)2 [where trpy=2,2a:6′,2″- terpyridine and CN-Me=3-methyl-1-(pyridin-2-yl)-imidazolylidene] has been prepared and thoroughly characterized by spectroscopic and electrochemical techniques. The complex has been tested in epoxidation catalysis both in dichloromethane and dichloromethane:ionic liquid media, displaying excellent performances and selectivities. Reuse of the catalyst in ionic liquid:solvent media has been explored for the first time in ruthenium-mediated epoxidation catalysis and its performance is fully maintained for up to ten runs

This project has been financed by MICINN of Spain through projects CTQ2007-60476/PPQ, CTQ2010-21532-C02-01 and CTQ2009-08328

Wiley-VCH Verlag

Manager: Ministerio de Ciencia e Innovación (Espanya)
Author: Dakkach, Mohamed
Fontrodona, Xavier
Parella Coll, Teodor
Atlamsani, Ahmed
Romero García, Isabel
Rodríguez Pizarro, Montserrat
Date: 2011 February 11
Abstract: A new ruthenium aquo catalyst with the formula trans-[Ru(II)(CN-Me)(trpy) OH2](PF6)2 [where trpy=2,2a:6′,2″- terpyridine and CN-Me=3-methyl-1-(pyridin-2-yl)-imidazolylidene] has been prepared and thoroughly characterized by spectroscopic and electrochemical techniques. The complex has been tested in epoxidation catalysis both in dichloromethane and dichloromethane:ionic liquid media, displaying excellent performances and selectivities. Reuse of the catalyst in ionic liquid:solvent media has been explored for the first time in ruthenium-mediated epoxidation catalysis and its performance is fully maintained for up to ten runs
This project has been financed by MICINN of Spain through projects CTQ2007-60476/PPQ, CTQ2010-21532-C02-01 and CTQ2009-08328
Format: application/pdf
Document access: http://hdl.handle.net/10256/11725
Language: eng
Publisher: Wiley-VCH Verlag
Collection: info:eu-repo/semantics/altIdentifier/doi/10.1002/adsc.201000686
info:eu-repo/semantics/altIdentifier/issn/1615-4150
info:eu-repo/semantics/altIdentifier/eissn/1615-4169
info:eu-repo/grantAgreement/MICINN//CTQ2010-21532-C02-01/ES/MIMETIZACION DE PROCESOS BIOINORGANICOS Y APLICACIONES CATALITICAS CON COMPUESTOS DE METALES DE TRANSICION./
Rights: Tots els drets reservats
Subject: Ruteni -- Compostos
Ruthenium compounds
Epòxids
Epoxy compounds
Catàlisi
Catalysis
Oxidació
Oxidation
Title: A novel carbene ruthenium complex as reusable and selective two-electron catalyst for alkene epoxidation
Type: info:eu-repo/semantics/article
Repository: DUGiDocs

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