Synthesis and Enantioselectivity of P‐Chiral Phosphine Ligands with Alkynyl Groups

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A range of asymmetric transformations are catalyzed by transition-metal complexes of the title ligands with excellent enantioselectivities. The ligands, which were applied successively in Rh-catalyzed hydrogenation and Rh- or Pd-catalyzed CC bond-forming reactions, were synthesized by nucleophilic substitution of (R)-(bromo(tert-butyl)methylphosphanyl)borane (see scheme). Supporting information for this article is available on the WWW under http://www.wiley-vch.de/contents/jc_2002/2007/z702513_s.pdf or from the author. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.