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Bifunctional diphosphorus Lewis acids from cyclodiphosphadiazanes

Bifunctional diphosphorus Lewis acids from cyclodiphosphadiazanes. Reagan J. Davidson , Neil Burford, and Jan J. Weigand. 5 th European Workshop on Phosphorus Chemistry March 10 - 11, 2008. 3.0 2.2 2.1 1.9 1.8. Pnictogens. Pnictogens (Pn) comprise the Group 15 elements:. 2.5. C.

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Bifunctional diphosphorus Lewis acids from cyclodiphosphadiazanes

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  1. Bifunctional diphosphorus Lewis acids from cyclodiphosphadiazanes Reagan J. Davidson, Neil Burford, and Jan J. Weigand 5th European Workshop on Phosphorus Chemistry March 10 - 11, 2008

  2. 3.0 2.2 2.1 1.9 1.8 Pnictogens • Pnictogens (Pn) comprise the Group 15 elements: 2.5 C 2.2 P Reagan J. Davidson

  3. Phosphorus Bonding Environments Burford, JACS 2001, 123, 7947 Burford, Dalton Trans. 2002, 4307 Burford, Chem. Commun. 2003, 2006 Burford, JACS 2003, 125, 14404 Burford, JACS 2006, 128, 9632 Manners, JACS 2006, 128, 14002 Manners, Inorg. Chem. 2006, 45, 7922 Weigand, Burford, Inorg. Chem. 2007, 46, 7689 Reagan J. Davidson

  4. Ligand-stabilized Mes*-NP+ Niecke, Angew. Chem. Int. Ed. 1988, 27, 1715 Burford, JACS 2006, 124, 14012 Burford, Inorg. Chem. 2003, 42, 1087 Burford, Chem. Commun. 2004, 2969 Reagan J. Davidson

  5. Burford, Chem. Commun. 2003, 2006 Burford, JACS 2004, 124, 17067 Karaghiosoff, PhD thesis 1986 Burford, JACS 2006, 128, 9632 Bifunctional Lewis acids Davidson, Weigand, Burford, Chem. Commun. 2007, 128, 4671 Reagan J. Davidson

  6. Phosphazanes Reagan J. Davidson

  7. P, N, C, O, S, F Reagan J. Davidson Davidson, Weigand, Burford, Chem. Commun. 2007, 128, 4671

  8. Puckering angle: 10.6(1) 14.02(9) 24.7(1) ° N2P2-Ring Puckering Reagan J. Davidson

  9. Reagan J. Davidson AA’XX’

  10. P, N, C Reagan J. Davidson

  11. Reagan J. Davidson

  12. Niecke, Angew. Chem., Int. Ed. 2000, 39, 2769 P, N, C Schmidtpeter, Karaghiosoff, Angew. Chem., Int. Ed. 1982, 21, 63 Reagan J. Davidson

  13. P, N, C Reagan J. Davidson

  14. Acknowledgements • Dr. Neil Burford • Dr. Jan J. Weigand • Burford Group • Hahn Group • My Supervisory Committee • Funding Agencies: Reagan J. Davidson

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