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POWER Group – Publications 1976 - 1999

1. 1976 Gynane, M. J. S., M. F. Lappert, S. J. Miles, and P. P. Power. Ready oxidative addition of an alkyl or aryl halide to a tin(II) alkyl or amide; evidence for a free-radical pathway. Journal of the Chemical Society, Chemical Communications, 256-257.

2. 1976 Gynane, M. J. S., A. Hudson, M. F. Lappert, and P. P. Power. Synthesis and electron spin resonance study of stable dialkyls and diamides of phosphorus and arsenic, R1 2M and (R2 2 N)2 M. Journal of the Chemical Society, Chemical Communications, 623-624.

3. 1976 Lappert, M. F. and P. P. Power. Di- and trivalent trimethylsilyl-substituted tin amides and related compounds such as Sn[N(SiMe3)2]2 or 3. Advances in Chemistry Series 157, 70-81.

4. 1977 Gynane, M. J. S., D. H. Harris, M. F. Lappert, P. P. Power, P. Riviere, and M. Riviere-Baudet. Subvalent group 4B metal alkyls and amides. Part 5. The synthesis and physical properties of thermally stable amides of germanium(II), tin(II), and lead (II). Journal of the Chemical Society, Dalton Transactions, 2004-2009.

5. 1977 Lappert, M. F., S. J. Miles, P. P. Power, A. J. Carty, and N. J. Taylor. Coordination chemistry of bivalent group 4B heavy metal donors M[N(SiMe3)2]2 (M = Ge or Pb) or Ge[CH(SiMe3)2]2. Journal of the Chemical Society, Chemical Communications, 458-459.

6. 1978 Gynane, M. J. S., M. F. Lappert, S. J. Miles, and P. P. Power. Catalysis and solvent participation in organometallic oxidative additions (Pt0 ® PtII and SnII ® SnIV). Journal of the Chemical Society, Chemical Communications, 192-193.

7. 1978 Goldwhite, H. and P. P. Power. Bulky alkyls and amides of main group 5 elements. II. Rotational barriers in phosphorus compounds containing bulky groups. Organic Magnetic Resonance 11, 499-501.

8. 1979 Lappert, M. F., P. P. Power, M. J. Slade, L. Hedberg, K. Hedberg, and V. Schomaker. Monomeric bivalent group 4B metal dialkylamides M[NCMe2(CH2)3CHMe2] 2 (M = Ge or Sn), and the structure of a gaseous disilylamide, Sn[N(SiMe3)2]2, by gas electron diffraction. Journal of the Chemical Society, Chemical Communications, 369-370.

9. 1979 Wolff, T. E., J. M. Berg, P. P. Power, K. O. Hodgson, R. H. Holm, and R. B. Frankel. Self-assembly of molybdenum-iron-sulfur clusters as a synthetic approach to the molybdenum site in nitrogenase. Identification of the major products formed by the system FeCl3 /MS42- / C2H5SH (M = Mo, W). Journal of the American Chemical Society 101, 5454-5456.

10. 1980 Lappert, M. F., P. P. Power, A. R. Sanger, and R. Srivastava. Metal and metalloid amides: Synthesis, physical properties and structures. Ellis Horwood-Wiley, 1980, pp. 847.

11. 1980 Wolff, T. E., J. M. Berg, P. P. Power, K. O. Hodgson, and R. H. Holm. Structural characterization of the iron-bridged "Double-Cubane" cluster complexes [Mo2Fe7S8(SC2H5)12]3- and [M2Fe7S8(SCH2C6H5)12]4- (M = Mo, W) containing MFe3S4 cores. Inorganic Chemistry 19, 430-437.

12. 1980 Wolff, T. E., P. P. Power, R. B. Frankel, and R. H. Holm. Synthesis and electronic and redox properties of "Double-Cubane" cluster complexes containing MoFe3S4 and WFe3S4 cores. Journal of the American Chemical Society 102, 4694-4703.

13. 1980 Frankel, R. B., T. E. Wolff, P. P. Power, and R. H. Holm. Electronic properties of molybdenum-iron-sulfur-clusters: Approaches to the molybdenum site in nitrogenase. Journal de Physique C1 495-496.

14. 1980 Gumrukcu, I., A. Hudson, M. F. Lappert, M. J. Slade, and P. P. Power. Electron spin resonance of t-alkyl-, silyl-, and germyl-aminyl radicals and some observations on the amides MBr{N(SiMe3)2}3 (M = Ge, Sn, or Pb). Journal of the Chemical Society, Chemical Communications, 776-777.

15. 1980 Gynane, M. J. S., A. Hudson, M. F. Lappert, P. P. Power, and H. Goldwhite. Bulky alkyls, amides and aryloxides of main group 5 elements. Part 1. Persistent phosphinyl and arsinyl radicals MRR' and their chloroprecursors MRR'Cl and related compounds. Journal of the Chemical Society, Dalton Transactions, 2428-2433.

16. 1982 Palermo, R. E., P. P. Power and R. H. Holm. Ligand substitution properties of the MFe3S4 double-cubane cluster complexes [Mo2Fe6S8(SR)9]3- and [M2Fe7S8(SR)12]3- (M = Mo, W). Inorganic Chemistry 21, 173-181.

17. 1983 Flynn, K.M., M.M. Olmstead and P.P. Power. A simple one-step route to a transition metal complex containing a phosphorus-phosphorus double bond: Synthesis and X-ray crystal structure of trans-Bis{bis(trimethylsilyl) methyl}diphosphenebis{tetra-carbonyliron (O)}. Journal of the American Chemical Society 105, 2085-2086.

18. 1983 Hope, H. and P. P. Power. Isolation and X-ray crystal structures of halide free and halide rich phenyllithium etherate complexes, [(PhLi.Et2O)4] and [(PhLi.Et2O)3LiBr]. Journal of the American Chemical Society 105, 5320-5324.

19. 1983 Olmstead, M. M., P. P. Power and M. Viggiano. A new class of s-bonded aliphatic aza-macrocyclic complexes of transition metals: Synthesis and X-ray crystal structures of [(TiN4C12H24)2] and the m-oxo-bridged species [O(TiN4C12H25)2]. Journal of the American Chemical Society 105, 2927-2928.

20. 1983 Fjelberg, T., H. Hope, M. F. Lappert, P. P. Power, and A. J. Thorne. Molecular structures of the main group 4 metal(II) bis(trimethylsilyl) amides M[N(SiMe3)2]2 in the crystal (X-ray) and vapor (GED). Journal of the Chemical Society, Chemical Communications, 639-641.

21. 1983 Murray, B., J. Hvoslef, H. Hope, and P. P. Power. A compound with severely distorted geometry at ligated carbon: Synthesis and X-ray crystal structure of Bi[CH(SiMe3)2]3, a trialkyl bismuth with high thermal stability. Inorganic Chemistry 22, 3421-3424.

22. 1984 Hope, H., M. M. Olmstead, P. P. Power, and M. Viggiano. A nickel complex containing an extremely long nickel-phosphorus bond: Synthesis and X-ray structures of [Ni(CN)2{P(CH2OH)Ph2}3](C6H6)0.5 and trans-[Ni(CN)2{P(CH2OH)Ph2}2]. Inorganic Chemistry 23, 326-330.

23. 1984 Olmstead, M. M. and P. P. Power. Structural studies of tin(II) and lead(II) dimethylamides: X-ray crystal structure of [{Sn(NMe2)2}2] and isolation of its lead analogue. Inorganic Chemistry 23, 413-415.

24. 1983 Murray, B. D., M. M. Olmstead and P. P. Power. A novel intramolecular ring closure to produce a bidentate phosphine-alkyl bound ligand: Synthesis and X-ray crystal structure of [(1,5-COD)RhP(H)CH(SiMe3) SiMe2CHSiMe2CHSiMe3]. Organometallics 2, 1700-1701.

25. 1983 Hvoslef, J., H. Hope, B. D. Murray, and P. P. Power. Syntheses and X-ray crystal structures of Li and Cr(II) complexes of the tri-tert-butylmethoxide ligand. Journal of the Chemical Society, Chemical Communications, 1438-1439.

26. 1983 Flynn, K. M., H. Hope, B. D. Murray, M. M. Olmstead, and P. P. Power. Syntheses and X-ray crystal structures of two new transition metal complexes having diphosphene ligands in novel bonding modes. Journal of the American Chemical Society 105, 7750- 7751.

27. 1984 Hope, H., M. Viggiano, B. Moezzi, and P. P. Power. Syntheses and X-ray crystal structures of two new classes of macrocyclic ligands having both phosphorus and nitrogen donor atoms. Inorganic Chemistry 23, 2550-2552.

28. 1983 Flynn, K. M., B. D. Murray, M. M. Olmstead, and P. P. Power. Interaction of PCl2N(SiMe3)2 with carbonyl- metallate di-anions of iron and chromium: Syntheses and X-ray crystal structures of new transition metal complexes involving phosphorus and arsenic in multiple bonding. Journal of the American Chemical Society 105, 7460-7461.

29. 1984 Hope, H. and P. P. Power. Synthesis and X-ray crystal structure of a late transition metal dialkylamide [(CuNEt2)4]. Inorganic Chemistry 23, 936-937.

30. 1984 Hope, H., M. M. Olmstead, P. P. Power, and X. Xu. X-ray crystal structures of the diphenylphosphide and arsenide anions: Use of a crown-ether to effect complete metal cation and organo-anion separation. Journal of the American Chemical Society 106, 819-821.

31. 1984 Hope, H., D. Oram and P. P. Power. Isolation and X-ray crystal structure of the complex [Li2Cu3Ph6]2 [Li4Cl2(OEt2)10]: The first structural characterization of a lithium organocuprate cluster. Journal of the American Chemical Society 106, 1149-1150.

32. 1984 Murray, B. D., H. Hope, J. Hvoslef, and P. P. Power. Syntheses and X-ray crystal structure of highly dissociated rhodium(I)phosphine complexes very bulky phosphine ligands. Organometallics 3, 657-663.

33. 1984 Olmstead, M. M. and P. P. Power. Synthesis and X-ray crystal structure of a transition metal cluster involving frame-work phosphorus-phosphorus double bonds. Journal of the American Chemical Society 106, 1495-1496.

34. 1984 Haaland, A., K. Hedberg and P. P. Power. The molecular structure of bis[di(trimethylsilyl)amino]-zinc [(Me3Si)2N]2Zn, determined by gas electron diffraction. Inorganic Chemistry 23, 1972-l975.

35. 1984 Power, P. P. and X. Xu. X-ray crystal structure of lithiumbis-trimethylsilylamide.12-crown-4, [LiN(SiMe3)2.12-crown-4]. Journal of the Chemical Society, Chemical Communications, 358-359.

36. 1984 Murray, B. D. and P. P. Power. The reactions of crowded secondary phosphines with (h3-2-X-C3H4)M(1,5- COD), (X = H, Me; M = Rh, Ir). Organometallics 3, 1199-1204.

37. 1984 Olmstead, M. M., P. P. Power and M. Viggiano. Structure of [1,4,7,10,13,16-hexaazapentacyclo- [11,5,1,1. 4,100. 7,200. 16,19]eicosane], C14N6H26. Acta Crystallographica Sec. C40, 1439-1440.

38. 1984 Murray, B. D. and P. P. Power. Monomeric manganese(II) alkoxides: Synthesis and X-ray crystal structures of novel three- and four-coordinate manganese complexes of the tri-tert-butylmethoxide ligand. Journal of the American Chemical Society 106, 7011-7015.

39. 1984 Hitchcock, P. B., M. F. Lappert, P. P. Power, and S. J. Smith. Synthesis, structure, and reactivity of a m-bis(dialkylphosphido)-dilithium [Li(m-PR2)]2 [R = CH(SiMe3)2]. Journal of the Chemical Society, Chemical Communications, 1669-1670.

40. 1984 Murray, B. D. and P. P. Power. Three-coordinate metal amides of manganese(II) and cobalt(II): Synthesis and X-ray structure of the first tris(silylamide) of manganese and the X-ray crystal structures of [M2(N(SiMe3)2)4] (M = Mn,Co). Inorganic Chemistry 23, 4584-4588.

41. 1985 Lappert, M. F. and P. P. Power. Subvalent group 4b metal alkyls and amides. Part 7. Transition-metal chemistry of metal (II) bis(trimethylsily)amides M(NR2)2 (R = SiMe3, M = Ge, Sn, or Pb). Journal of the Chemical Society, Dalton Transactions, 5l-57.

42. 1985 Murray, B. D., H. Hope and P. P. Power. An unusual C-C bond cleavage in bulky metal alkoxides. Synthesis and X-ray crystal structures of three coordinate Mn(II) and Cr(II) complexes containing the Di-t-butylmethoxide ligand. Journal of the American Chemical Society 107, 169-173.

43. 1985 Hope, H., M. M. Olmstead, B. D. Murray, and P. P. Power. Syntheses and X-ray structures of [Li(THF)4][Ni(NPh2)3].0.5C7H8,[{Ni(NPh2)2}2] and [{Co(NPh2)2}2]: Structural characterization of three coordinate first-row d7 and d8 complexes. Journal of the American Chemical Society 107, 712-713.

44. 1985 Olmstead, M. M. and P. P. Power. The isolation and X-ray structures of lithium crown ether salts of the free carbanions [CHPh2]- and [CPh3]-. Journal of the American Chemical Society 107, 2174-2175.

45. 1985 Hope, H., M. M. Olmstead, P. P. Power, J. Sandell, and X. Xu. Isolation and X-ray crystal structures of the mononuclear cuprates [CuMe2]-, [CuPh2]-, and [Cu(Br)CH(SiMe3)2]-. Journal of the American Chemical Society 107, 4337-4338.

46. 1985 Aslam, M., R. A. Bartlett, E. Block, M. M. Olmstead, P. P. Power, and G. E. Sigel. The first X-ray crystal structural characterizations of alkali metal alkyl thiolates: X-ray crystal structures of [Li2(thf)4{SCH(SiMe3)2}2] and [Li2(thf)3.5 {SC(SiMe3)3}2] (thf=tetrahydrofuran). Journal of the Chemical Society, Chemical Communications, 1674-1675.

47. 1985 Beno, M. A., H. Hope, M. M. Olmstead, and P. P. Power. Isolation and X-ray crystal structures of the solvate complexes [Li(Et2O)benzyl]x and [Li(THF)2mesityl]2. Organometallics 4, 2117-2121.

48. 1985 Olmstead, M. M., G. Sigel, H. Hope, X. Xu, and P. P. Power. Metallocalixarenes: Syntheses and X-ray crystal structures of titanium(IV), iron(III), and cobalt(II) complexes of p-tert-butylcalix[4]arene. Journal of the American Chemical Society 107, 8087-9l.

49. 1986 Olmstead, M. M., P. P. Power and G. Sigel. Mononuclear cobalt(II) complexes having alkoxide and amide ligands: Synthesis and X-ray crystal structures of [Co(Cl)(0C-t-Bu3)2.Li(THF)3], [Li(THF)4.5] [Co{N(SiMe3)2} (OC-t-Bu3)2], and [Li{Co(N(SiMe3)2)(OC-t-Bu3)2}]. Inorganic Chemistry 25, 1027-1033.

50. 1986 Flynn, K. M., R. A. Bartlett, M. M. Olmstead, and P. P. Power. Asymmetric bonding involving a phosphinidene complex. Synthesis and X-ray crystal structure of [{Fe(CO)3P(4-Me-2,6-t-Bu2C6H2O)}2], an organometallic cyclobutadiene analogue? Organometallics 5, 813-815.

51. 1986 Bartlett, R. A., M. M. Olmstead and P. P. Power. Structural characterization of the solvate complexes of the lithium diorganophosphides [{Li(Et2O)PPh2}∞], [{Li(THF)2PPh2}∞], and [{Li(THF)P(C6H11)2}∞]. Inorganic Chemistry 25, 1243-1247.

52. 1986 Olmstead, M. M. and P. P. Power. First structural characterization of a boron-centered radical: X-ray crystal structure of [Li(12-crown-4)2]+[BMes3]. Journal of the American Chemical Society 108, 4235- 4236.

53. 1986 Bartlett, R. A. and P. P. Power. X-ray crystal structure of the boron-stabilized carbanion [Li(12-crown-4)2][CH2C6H2(3,5-Me2)(4-B{2,4,6-Me3C6H2}2)].Et20: Evidence for "boron ylide" character. Organometallics 5, 1916-1917.

54. 1986 Olmstead, M. M. and P. P. Power. Crystal and molecular structure of chloramine-T trihydrate. Absence of a sodium-nitrogen interaction in the oxidant N-chloro-N-sodiotoluene-p-sulfonamide. Inorganic Chemistry 25, 4057-4058.

55. 1986 Bartlett, R. A., X. Feng, and P. P. Power. Synthesis and characterization of the phosphinidene borate complexes [Li(Et2O)2 PRBMes2] and [Li(12-crown-4)2] [RPBMes2].THF, R=Ph C6H11 or Mes (Mes=2,4,6-Me3C6H2): The first structurally characterized boron-phosphorus multiple bonds. Journal of the American Chemical Society 108, 6817-6819.

56. 1986 Bartlett, R. A., H. V. R. Dias, H. Hope, B. D. Murray, M. M. Olmstead, and P.P. Power. Isolation and structural characterization of the solvated lithium salts of the main group 5 anions [EPh2]-(E=N,P, As, or Sb) and [Sb3Ph4]-. Journal of the American Chemical Society 108, 6921-6926.

57. 1986 Feng, X., M. M. Olmstead and P. P. Power. Structure of a monomeric phosphinoborane: Synthesis and X-ray crystal structure of (diphenylphosphino) dimesitylborane. Inorganic Chemistry 25, 4615-4616.

58. 1987 Olmstead, M. M., P. P. Power, K. J. Weese, and R. J. Doedens. Isolation and X-ray crystal structure of the boron methylidenide ion [Mes2BCH2]- (Mes = 2,4,6-Me3C6H2): A boron-carbon double bonded alkene analogue. Journal of the American Chemical Society 109, 2541-2542.

59. 1987 Bartlett, R. A., X. Feng, M. M. Olmstead, and P. P. Power. Structural characterization of the solvate complexes of the lithium salts of diorganophosphides and phosphinideneborates; a pathway to phosphorus-boron double bonds. Phosphorus and Sulfur 30, 245-248. (Invited Contribution).

60. 1987 Sigel, G. A., R. A. Bartlett, D. Decker, M. M. Olmstead, and P. P. Power. Synthesis and spectroscopic and X- ray structural characterization and dynamic solution behavior of the neutral cobalt(II) alkoxides [Co{OC(C6H11)3}2]2.CH3OH.1/2C6H12.THF, [Co(OCPh3)2]2.n-C6H14, [Co(OSiPh3)2(THF)]2, and Co(OCPh3)2(THF)2. Inorganic Chemistry 26, 1773-1780.

61. 1987 Bartlett, R. A., M. M. Olmstead, P. P. Power, and G. A. Sigel. Synthesis, spectroscopic and X-ray structural studies of the mesitylphosphines PH2Mes and PHMes2 (Mes=2,4,6-Me3C6H2) and their lithium salts [Li(THF)3PHMes] and [{Li(OEt2)PMes2}2]. Inorganic Chemistry 26, 1941-1946.

62. 1987 Weese, K. J., R. A. Bartlett, B. D. Murray, M. M. Olmstead, and P. P. Power. Synthesis and spectroscopic and structural characterization of derivatives of the quasi-alkoxide ligand [OBMes2]- (Mes = 2,4,6- Me3C6H2). Inorganic Chemistry 26, 2409-2413.

63. 1987 Bartlett, R. A., X. Feng, M. M. Olmstead, P. P. Power, and K. J. Weese. Synthesis and X-ray structural characterization of the metal borylamide complexes Li(Et2O)2NPhBMes2, (THF)(Et2O)2LiClCo{NPhBMes2}2 and Mn{NMesBMes2}2.3PhMe (Mes = 2,4,6-Me3C6H2): Modified amide ligands with poor bridging and p-donor ability. Journal of the American Chemical Society 109, 4851-4854.

64. 1987 Sigel, G. A. and P. P. Power. Synthesis and Characterization of the Bulky Thiolate Complexes [Li(OEt2)3][Ti{S-2,4,6-i-Pr3C6H2}4] and [Li(THF)3(S-2,4,6-t-Bu3C6H2)]. Comparisons of M-SR and M-OR Bonding. Inorganic Chemistry 26:2819-2822.

65. 1987 Lappert, M. F., M. C. Misra, M. Onyszchuk, R. S. Rowe, P. P. Power, and M. J. Slade. Subvalent group 14 metal compounds. XI. Oxidative addition reactions of organic halides or acid anhydrides (including CH4-nCln, PhBr, BrN(SiMe3)2, ButCOCl, or (CF3CO)2O) to some bivalent group 14 metal amides or alkyls. Journal of Organometallic Chemistry 330:31-46.

66. 1987 Bartlett, R. A., H. V. Rasika Dias, K. M. Flynn, H. Hope, B. D. Murray, M. M. Olmstead, and P. P. Power. Reaction of Bulky Monosubstituted Phosphorus(III) Halides with Disodium Pentacarbonylchromate. Steric and Electronic Factors in the Synthesis of Cr(CO)5 Complexes of Diphosphenes, Phosphinidenes, Phosphanes, Diphosphanes, and Cyclopolyphosphanes. Journal of the American Chemical Society 109:5693-5698.

67. 1987 Bartlett, R. A., H. V. Rasika Dias, K. M. Flynn, M. M. Olmstead, and P. P. Power. Reaction of Bulky Monosubstituted Phosphorus(III) Halides with Disodium Tetracarbonylferrate. Steric and Electronic Factors in the Synthesis of Fe(CO)4 Complexes of Diphosphene and Phosphinidene Ligands. Journal of the American Chemical Society 109:5699-5703.

68. 1987 Bartlett, R. A. and P. P. Power. A Silicon-Nitrogen Analogue of the [PPN]+ Cation: Synthesis and Structural Characterization of the [Ph3SiNSiPh3]- Ion. Journal of the American Chemical Society 109:6509-6510.