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Original Articles

Chiral Hexacoordinated Phosphorus Anions : Effective Auxiliaries for Anion Mediated Asymmetric Processes

Pages 549-552 | Published online: 17 Mar 2008

References

  • Gallagher , M. J. and Jenkins , I. D. 1968 . “ For general articles on hexacoordinated phosphorus derivatives ” . In Topics in Stereochemistry , Edited by: Eliel , E. L. and Wilen , S. H. Vol. 3 , 76 New York : John Wiley & Sons . b D Hellwinkel in Organic Phosphorus Compounds 1972 Methoden für der Organishen Chemie Band E2 1982 Uspekhi Khim 1987 56 Russ Chem Rev 1987 56 The chemistry of organophosphorus compounds 1994 Chem Rev 1996 96 927
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  • There has been no direct observation of the phosphorane intermediate, which could be bipyramidal, square-planar pyramidal or any structure in between. If a square-planar pyramidal geometry is adopted, the ring opening would be a direct racemisation. For references on the geometry of spirophosphoranes, see: Holmes R. R. , Chem. Rev. , 1996 , 96 , 927 and references therein.
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