1. [1]For some reviews on the main chiral bis(phosphanes), see refs.[2−5]
2. [2]H. B. Kagan, M. Sasaki, in The Chemistry of Organo-phosphorus Compounds, Patai Series (Ed.: F. R. Hartley), 1990, vol. 1, p. 51.
3. [3]
4. [3a] H. Brunner, Topics Stereochem. 1988, 18, 129. −
5. [3b] H. Brunner, W. Zettlmeier, Handbook in Enantioselective Catalysis with Transition Metal Compounds, vol. I and II, VCH, Weinheim, 1993.