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Coordination chemistry approaches to non-metal element-element bond formation

Coordination chemistry approaches to non-metal element-element bond formation. Neil Burford. catena -Phosphorus Cations. Interpnictogen Cations. Tetraylphosphonium Cations. Poly Cations. Nova Scotia. British Columbia. Halifax. Victoria. Collaborators X-ray

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Coordination chemistry approaches to non-metal element-element bond formation

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  1. Coordination chemistry approaches to non-metal element-element bond formation Neil Burford

  2. catena-Phosphorus Cations InterpnictogenCations TetraylphosphoniumCations Poly Cations

  3. Nova Scotia British Columbia Halifax Victoria

  4. Collaborators X-ray Bob McDonald/Mike Ferguson (Alberta) Andreas Decken (New Brunswick) NMR Liquids - Mike Lumsden (Dalhousie) Solids - Ulrike Werner-Zwanziger (Dalhousie) Synthesis and Characterization Jan Weigand (Dresden)

  5. BSc Students Lauren Doyle (Dalhousie) 2010-2011 Brendan Peters (Dalhousie) 2010-2011 MSc Students Susanne Riegel (BSc Calgary) 2005-2007 Kenny Sharp (BSc Bishops) 2004-2006 PhD Students Saurabh Chitnis (BSc McMaster) 2010- Elizabeth MacDonald (BSc New Brunswick) 2009- Yuen-Ying Carpenter (BSc UBC) 2006-2010 Eamonn Conrad (BSc St. FX) 2006-2010 Adam Dyker (BSc New Brunswick) 2002-2006 Paul Ragogna (BSc Brock) 2000-2004 Postdoctoral Fellows Jan Weigand (PhD Munich) 2005-2007

  6. Coordination Chemistry Bonding Notations

  7. Amine-phosphenium or Phosphinoammonium Bertrand, Angew. Chem. Int. Ed., 1993,32, 399

  8. Coordination Chemistry Bonding Notations

  9. Phosphine-phosphenium or Phosphinophosphonium Phosphorus Donor on Phosphorus Acceptor ‘Homoatomic Coordination’ white powder/sublimes volatile liquids Chitnis, Burford,Chem. Commun., 2012, 48, 7359

  10. PhosphinophosphoniumChloride • CP-MAS 31P NMR • = 20, -66 ppm JPP = 249 Hz Chitnis, Burford,Chem. Commun., 2012, 48, 7359

  11. PhosphinophosphoniumChloride Chitnis, Burford,Chem. Commun., 2012, 48, 7359

  12. PhosphinophosphoniumTetrachloroaluminate Chitnis, Burford,Chem. Commun., 2012, 48, 7359

  13. Phosphinophosphonium Ligand Exchange L = C, N, P, Ga Dyker, Burford, Angew. Chem. Int. Ed., 2005,44, 2364. Ragogna, Burford,J. Am. Chem. Soc., 2004, 126, 17067. Ragogna, Burford,J. Am. Chem. Soc., 2003,125, 14404. Ragogna, Burford,J. Am. Chem. Soc., 2002,124, 382. Ragogna, Burford,J. Am. Chem. Soc., 2001,123, 7947. Sisler, Inorg. Chem., 1969, 8, 1006 Parry, Inorg. Chem., 1976, 15, 3046 Shagvaleev,J. Gen. Chem. USSR., 1990, 60, 1585

  14. 1,3-Diphosphino-2-phosphonium B A P2 • 31P NMRAB2 • = 18, -22 ppm JPP = 351Hz Dyker, Burford, Angew. Chem. Int. Ed., 2005,44, 2364

  15. Methods to catena-phosphinophosphonium(P-P) Cations Ragogna, Burford,J. Am. Chem. Soc., 2003,125, 14404 Weigand,Burford, J. Am. Chem. Soc.,2007, 129, 7969 Dyker, Burford, Angew. Chem. Int. Ed., 2005,44, 2364 Carpenter, Burford, J. Am. Chem. Soc.,2008, 130, 15372; Inorg. Chem., 2011, 50, 3342 Dyker, Burford, Angew. Chem. Int. Ed., 2005,44, 6196; J. Am. Chem. Soc., 2007, 129, 7464 Weigand, Burford, Angew. Chem. Int. Ed., 2006,45, 6733

  16. catena-phosphinophosphonium cations synthetic targets Updated from: Dyker, Burford, Chem. Asian J., 2008,3, 28

  17. Adam Dyker Assist. Prof. Univ. New Brunswick Jan Weigand Professor Uni Dresden Paul Ragogna Assoc. Prof. Western Univ.

  18. Arsinophosphonium Burford, Sharp, Inorg. Chem., 2005, 44, 9453 Wild, Organometallics, 2007, 26, 6106

  19. Pnictinopnictonium As P As P or Jeff Landry and Adam Dyker

  20. Phosphinoarsonium Conrad,Burford, Inorg. Chem., 2008, 47, 2952

  21. Pnictinopnictonium possibilities Acceptor Donor Ragogna, Burford, J. Am. Chem. Soc. 2003, 125, 14404 Conrad, Burford, Inorg. Chem, 2008, 47, 2952 Burford, Sharp, Inorg. Chem. 2005, 44, 9453 Wild, Organometallics, 2007, 26, 6106 Wild, Dalton Trans. 2008, 2480 Breunig, Chem. Commun. 1999, 1971

  22. Stibinoarsonium Conrad, Burford, J. Am. Chem. Soc. 2009, 131, 5066 As-Sb: Reid, Dalton Trans.2001, 1007 As-Sb: von Haenisch, Eur. J. Inorg. Chem. 2005, 2,378

  23. Bismuthinoarsonium Conrad, Burford, Chem. Commun.,2010, 46, 4598 As-Bi: Reid, Dalton Trans.2001, 1007

  24. 2-Bismuthino-1,3-diarsonium Conrad, Burford, J. Am. Chem. Soc., 2009, 131, 5066

  25. Bismutheniumarsonium Conrad, Burford, Chem. Commun.,2010, 46, 4598

  26. Bismutheniumstibonium Conrad, Burford, Chem. Commun.,2010, 46, 4598

  27. Eamonn Conrad November 2009

  28. Neutral and Anionic Stibine-phosphonium Norman, J.Chem. Soc. Dalton Trans., 1994, 1743 Norman, J.Chem. Soc. Dalton Trans., 1994, 1753

  29. Stibinophosphonium Wild, Organometallics2007, 26, 6106

  30. Stibinophosphonium Carpenter, Burford, unpublished

  31. Stibinobisphosphonium Wild, Organometallics2007, 26, 6106 Chitnis, Burford, Chem. Commun., 2011, 47, 12331

  32. Stibinobisphosphonium Chitnis, Burford, unpublished

  33. Stibinotrisphosphonium Chitnis, Burford, Angew. Chem. Int. Ed., 2013,DOI: 10.1002/anie.201210012

  34. Stibinophosphonium Derivatives Phosphine complexes of antimony +3 +2 +1 [(Me3P)3Sb]3+ 31P, 24 ppm 0 [(Me3P)2SbCl]2+ 31P, 12 ppm -1 [(Me3P)2SbCl2]+ 31P, 6 ppm (Me3P)2SbCl3 31P, -10 ppm [Me3PSbCl4]- 31P, 7ppm Chitnis, Burford, unpublished

  35. Stibinodiphosphonium Chitnis, Peters, Burford, Chem. Commun., 2011, 47, 12331

  36. Stibinodiphosphonium +1 +2 +3 Chitnis, Burford, unpublished

  37. Bipy Complexes of Antimony Chitnis, Burford, Angew. Chem. Int. Ed., 2013, 52, 2042

  38. Bipy Complex of Sb3+ Chitnis, Burford, Angew. Chem. Int. Ed., 2013, 52, 2042

  39. Tetrastibinotetraphosphonium 3 3 4 Chitnis, Burford, Angew. Chem. Int. Ed., 2013,DOI: 10.1002/anie.201210012

  40. Diphosphonium Dications by Methylation Hexamethyldiphosphonium Weigand,Burford, J. Am. Chem. Soc.,2007, 129, 7969

  41. Reductive Elimination at Sb and Assembly of Tetrastibinotetraphosphonium Chitnis, Burford, Angew. Chem. Int. Ed., 2013, DOI: 10.1002/anie.201210012

  42. Cyclotetraphosphinodiarsonium via reductive assembly Weigand, Burford, Frenking, Angew. Chem. Int. Ed.,2012, 51, 2964

  43. November 2012 Saurabh Chitnis

  44. TetraylphosphoniumCations P Ge Sn P MacDonald, Burford, Angew. Chem. Int. Ed., 2011, 50, 11474 + [P(SnMe3)4] Gabbai, C. R. Chimie., 2010, 13, 1168 Dreiss, Angew. Chem. Int. Ed., 2000, 39, 3684

  45. Stannylphosphonium P Sn P Mather, Dalton, 1973, 1823 Godfrey, Chem. Commun., 1994, 695 Levason, Eur. J. Inorg. Chem., 2006, 2773 P-Sn-P = 180

  46. Stannylphosphonium P Sn P P-Sn-P = 172 MacDonald, Doyle, Burford, Chem. Commun., 2012, 48, 7922

  47. Stannylphosphonium P Sn P P-Sn-P = 157 MacDonald, Doyle, Burford, Chem. Commun., 2012, 48, 7922

  48. Reductive Elimination from Germylphosphonium O(7) O(9) O(1) Ge(2) P(4) Ge(1) P(2) P(3) P(1) O(6) O(4) O(10) MacDonald, Burford, unpublished

  49. StannyldiphosphoniumCation 10 0 -10 -20 -30 -40 31P d = -30 ppm P Sn P 31P CPMAS d = -18, -39 ppm MacDonald, Doyle, Burford, Angew. Chem. Int. Ed., 2011, 50, 11474

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