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Synfacts 2006(5): 0479-0479
DOI: 10.1055/s-2006-934434
DOI: 10.1055/s-2006-934434
Metal-Catalyzed Asymmetric Synthesis and Stereoselective Reactions
© Georg Thieme Verlag Stuttgart · New York
Diamination of Alkenes by Use of a Bisimidoosmium Reagent
I. Almodovar, C. H. Hövelmann, J. Streuff, M. Nieger, K. Muñiz*
Rheinische Friedrich-Wilhelms-Universität, Bonn, Germany
Further Information
Publication History
Publication Date:
21 April 2006 (online)
Significance
The authors have reported a new method for diamination of alkenes. The use of the bidentate oxazolidinones in conjunction with a Lewis acid proved necessary for high selectivity and reactivity. Lewis acids in their highest oxidation state were required due to the high oxidation power of the osmium reagent. Titanium was found to be the best metal center and TADDOL the best ligand tested.