Ruthenium vs. Osmium Complexes as Catalysts for Atom Transfer Radical Addition Reactions
Fernandez-Zumel, Mariano Alfonso; Kiefer, Gregor; Thommes, Katrin; Scopelliti, Rosario; Severin, Kay
2010

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Abstract

The catalytic activity of [Cp*OsBr2(PPh3)] in conjunction with Mg has been evaluated for atom transfer radical addition (ATRA) and cyclization (ATRC) reactions. The Os complex enabled these reactions to be performed with similar efficiency as that of the analogous Ru complex [Cp*RuCl2(PPh3)]. The olefin complex [Cp*OsBr(H2C=CHPh)(PPh3)] was obtained by reduction of [Cp*OsBr2(PPh3)] with Mg in the presence of an excess of styrene, whereas an analogous Ru complex was not observed. Kinetic investigations suggest that olefin complexes of Os can form under catalytic conditions.

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Title Ruthenium vs. Osmium Complexes as Catalysts for Atom Transfer Radical Addition Reactions
Author(s) Fernandez-Zumel, Mariano Alfonso ; Kiefer, Gregor ; Thommes, Katrin ; Scopelliti, Rosario ; Severin, Kay
Published in European Journal of Inorganic Chemistry
Pages 3596-3601
Date 2010
Publisher Wiley-Blackwell
ISSN 1434-1948
Keywords
DOI https://doi.org/10.1002/ejic.201000388
Other identifier(s) View record in Web of Science
Laboratories LCS
Record Appears in Scientific production and competences > SB - School of Basic Sciences > ISIC - Institute of Chemical Sciences and Engineering > LCS - Laboratory of Supramolecular Chemistry
Work produced at EPFL
Journal Articles
Published
Record creation date 2010-07-08

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