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Publication 95  

  1. Air- and Microwave-Stable (C5H5)Ru Catalysts for Improved Regio- and Enantioselective Carroll Rearrangements
    Samuel Constant, Simone Tortoioli, Jessica Müller, David Linder, Frédéric Buron, Jérôme Lacour
    Angew. Chem. Int. Ed. 2007, 46, 8979-8982
    [ VIP article. This study was highlighted in Synfacts. ]

Reduce, reuse, recycle: Zwitterionic adducts of pyridyl-containing hexacoordinate phosphorus anions and (C5H5)Ru moieties (see picture) are air-, moisture-, and microwave-stable catalysts that can be readily purified and in some instances recycled. Carroll rearrangements of allylic β-ketoesters performed with these species occur with improved regio- and enantioselectivity.

DOI: 10.1002/anie.200704019 

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