STRONGLY DONATING SCORPIONATE LIGANDS

REFERENCES

• Trofimenko , S. 1999 . Scorpionates. The Coordination Chemistry of Polypyrazolylborate Ligands , Imperial College Press , London .
   Google Scholar
• Pettinari , C. 2008 . Scorpionates II: Chelating Borate Ligands , Imperial College Press , London .
   Google Scholar
• Trofimenko , S. 1966 . Boron-Pyrazole Chemistry . J. Am. Chem. Soc. , 88 , 1842 – 1844 .
   Web of Science ®Google Scholar
• Dias , H. V. R. and T. K. H. H. Goh , 2004 . Fluorinated Tris(pyrazolyl)borates. Synthesis and characterization of Sodium and Copper complexes of [HB(3-(CF3),5-(Ph)Pz)3]− . Polyhedron. , 23 , 273 – 283 .
   Web of Science ®Google Scholar
• Ge , P. , B. S. Haggerty , A. L. Rheingold , and C. G. Riordan , 1994 . Poly(methylthiomethyl)Borates: A new class of sulfur-rich ligands for metal ions . J. Am. Chem. Soc. , 116 , 8406 – 8407 .
   Web of Science ®Google Scholar
• Hu , X. and K. Meyer , 2005 . New tripodal N-Heterocyclic carbene chelators for small molecule activation . J. Organomet. Chem. , 690 , 5474 – 5484 .
   Web of Science ®Google Scholar
• Rabinovich , D. 2006 . Poly(mercaptoimidazolyl)borate complexes of cadmium and mercury . Struct. Bond. , 120 , 143 – 162 .
   Web of Science ®Google Scholar
• Reglinski , J. and M. D. Spicer . The chemistry of soft scorpionates based on imidazole-2-thiones . Eur. J. Inorg. Chem. , Submitted .
   Google Scholar
• Mehn , M. P. and J. C. Peters , 2006 . Mid- to high-valent Imido and Nitrido complexes of Iron . J. Inorg. Biochem. , 100 , 634 – 643 .
   PubMed Web of Science ®Google Scholar
• Garner , M. , J. Reglinski , I. Cassidy , M. D. Spicer , and A. R. Kennedy , 1996 . Hydrotris(methimazolyl)borate, a soft analogue of Hydrotris(pyrazolyl)borate. Preparation and crystal structure of a novel zinc complex . Chem. Commun. , 1975–1976 .
   Web of Science ®Google Scholar
• Minoura , M. , V. K. Landry , J. G. Melnick , K. Pang , L. Machiò , and G. Parkin , 2006 . Synthesis and structural characterization of Tris(2-seleno-1-mesitylimidazolyl)hydroborato complexes: A new type of strongly electron donating tripodal selenium ligand . Chem. Commun. , 3990 – 3992 .
   PubMed Web of Science ®Google Scholar
• Soares , L. F. and R. M. Silva , 2002. Hydrotris(methimazolyl)borate. Inorg. Synth. , 33, 199–202.
   Google Scholar
• Ojo , J. F. , P. A. Slavin , J. Reglinski , M. Garner , M. D. Spicer , A. R. Kennedy , and S. J. Teat , 2001 . The synthesis of soft tripodal ligands: Restrictions on the preparation of Hydrotris(thiazolyl)borate Anions from Borohydride Melts . Inorg. Chim. Acta. , 313 , 15 – 20 .
   Web of Science ®Google Scholar
• Kimblin , C. , B. M. Bridgewater , D. G. Churchill , and G. Parkin , 1999 . Mononuclear Tris(2-mercapto-1-arylimidazolyl)Hydroborato complexes of Zinc, [TmAr]ZnX: structural evidence that a sulfur rich coordination environment promotes the formation of a tetrahedral alcohol complex in a synthetic analogue of LADH . Chem. Commun. , 2301–2302 .
   Web of Science ®Google Scholar
• Tesmer , M. , M. Shu , and H. Vahrenkamp , 2001 . Sulfur-Rich Zinc Chemistry: New Tris(thioimidazolyl)hydroborate Ligands and their Zinc Complex Chemistry related to the structure and function of Alcohol Dehydrogenas . Inorg. Chem. , 40 , 4022 – 4029 .
   PubMed Web of Science ®Google Scholar
• Bakbak , S. , V. K. Bhatia , C. D. Incarvito , A. L. Rheingold , and D. Rabinovich , 2001 . Synthesis and characterization of two new bulky Tris(mercaptoimidazolyl)borate Ligands and their Zinc and Cadmium complexe . Polyhedron. , 20 , 3343 – 3348 .
   Web of Science ®Google Scholar
• White , J. L. , J. M. Tanksi , and D. Rabinovich , 2002 . Bulky Tris(mercaptoimidazolyl)borates: Synthesis and molecular structures of the group 12 Metal complexes [TmtBu]MBr (M = Zn, Cd, Hg) . Dalton Trans. , 2987 – 2991 .
   Web of Science ®Google Scholar
• Ibrahim , M. M. , M. Shu , and H. Vahrenkamp , 2005 . New Tris(thioimidazolyl)borate Ligands and some zinc complexes thereof . Eur. J. Inorg. Chem. , 1388 – 1397 .
   Web of Science ®Google Scholar
• Senda , S. , Y. Ohki , T. Hirayama , D. Toda , J.-L. Chen , T. Matsumoto , H. Kawaguchi , and K. Tatsumi , 2006 . Mono{hydrotris(mercaptoimidazolyl)borato} complexes of Manganese(II), Iron(II), Cobalt(II), and Nickel(II) Halides . Inorg. Chem. , 45 , 9914 – 9926 .
   PubMed Web of Science ®Google Scholar
• Garcia , R. , A. Paulo , A. Domingos , and I. Santos , 2003 . Rhenium(I) Tris(carbonyl) complexes with soft scorpionates . Dalton Trans. , 2757 – 2760 .
   Web of Science ®Google Scholar
• Dodds , C. A. , M. Garner , J. Reglinski , and M. D. Spicer , 2006 . Coinage Metal complexes of a Boron-Substituted Soft Scorpionate Ligand . Inorg. Chem. , 45 , 2733 – 2741 .
   PubMed Web of Science ®Google Scholar
• Bailey , P. J. , C. McCormack , S. Parsons , F. Rudolphi , A. Sanchez Perucha , and P. Wood , 2007 . Tripodal borate ligands from Tris(dimethylamino)borane: The first synthesis of a chiral Tris(methimazolyl)borate ligand, and the crystal structure of a single Diastereomer Pseudo-C 3-Symmetric Ru(II) complex . Dalton Trans. , 476 – 480 .
   PubMed Web of Science ®Google Scholar
• Mihalcik , D. J. , J. L. White , J. M. Tanksi , L. N. Zakharov , G. P. A. Yap , C. D. Incarvito , A. L. Rheingold , and D. Rabinovich , 2004 . Cobalt Tris(mercaptoimidazolyl)borate complexes: Synthetic studies and the structure of the first Cobaltaboratrane . Dalton Trans. , 1626 – 1634 .
   PubMed Web of Science ®Google Scholar
• Hill , A. F. and M. K. Smith , 2005. Novel Poly(methimazolyl)borate complexes of niobium(V) and tantalum(V). Chem. Commun. , 1920–1922.
   PubMed Web of Science ®Google Scholar
• Hill , A. F. , A. D. Rae , and M. K. Smith , 2005 . Niobium and tantalum Tris(methimazolyl)borate complexes [M(= NC6H3 i Pr2-2,6)Cl2{HB(mt)3}] (M = Nb, Ta; mt = Methimazolyl) . Inorg. Chem. , 44 , 7316 – 7318 .
   PubMed Web of Science ®Google Scholar
• Hill , A. F. and M. K. Smith , 2007 . Organometallic Tantalum Tris(methimazolyl)borato complexes: [Ta(η 2 -RC = CR)Cl2{HB(mt)3}] (R = Ph, Et; mt = methimazolyl) . Organometallics. , 46 , 4688 – 4691 .
   Web of Science ®Google Scholar
• Hill , A. F. and M. K. Smith , 2007 . A Homoleptic Hydrotris(methimazolyl)borate complex of Titanium . Dalton Trans. , 3363 – 3364 .
   PubMed Web of Science ®Google Scholar
• Buccella , D. , A. Shultz , J. G. Melnick , F. Konopka , and G. Parkin , 2006 . Cp[TmMe]ZrCl2, a Tris(2-mercapto-1-methylimidazolyl)hydroborato complex of Zirconium and a new type of precatalyst for olefin polymerization . Organometallics. , 25 , 5496 – 5499 .
   Web of Science ®Google Scholar
• Bailey , P. J. , D. J. Lorono-Gonzales , C. McCormack , S. Parsons , and M. Price , 2003 . Trismethimazolylhydroborate (Tm) Complexes of Ruthenium and Manganese . Inorg. Chim. Acta. , 354 , 61 – 67 .
   Web of Science ®Google Scholar
• Graham , L. A. , A. R. Fout , K. R. Kuchne , J. L. White , B. Mookherji , F. M. Marks , G. P. A. Yap , L. N. Zakharov , A. L. Rheingold , and D. Rabinovich , 2005 . Manganese(I) Poly(mercaptoimidazolyl)borate Complexes: Spectroscopic and structural characterization of Mn···H-B interactions in solution and the solid state . Dalton Trans. , 171 – 180 .
   PubMed Web of Science ®Google Scholar
• Maffett , L. S. , K. L. Gunter , K. A. Kreisel , G. P. A. Yap , and D. Rabinovich , 2007 . Nickel nitrosyl complexes in a sulfur-rich environment: The first Poly(mercaptoimidazolyl)borate derivatives . Polyhedron. , 26 , 4758 – 4764 .
   Web of Science ®Google Scholar
• Garcia , R. , A. Paulo , A. Domingos , and I. Santos , 2001 . Rhenium(I) organometallic complexes with novel Bis(mercaptoimidazolyl)borates and with Hydrotris(mercaptoimidazolyl)borate: Chemical and structural studies . J. Organomet. Chem. , 632 , 41 – 48 .
   Web of Science ®Google Scholar
• Foreman , M. R. S. -J., A. F. Hill , A. J. P. White , and D. J. Williams , 2003 . Hydrotris(methimazolyl)borato Alkylidyne Complexes of Tungsten . Organometallics. , 22 , 3831 – 3840 .
   Web of Science ®Google Scholar
• Garner , M. , M.-A. Lehmann , J. Reglinski , and M. D. Spicer , 2001 . Soft (S3-Donor) scorpionate complexes of molybdenum and tungsten carbonyls . Organometallics. , 20 , 5233 – 5236 .
   Web of Science ®Google Scholar
• Schwalbe , M. , P. C. Andrikopoulos , D. R. Armstrong , J. Reglinski , and M. D. Spicer , 2007 . Structural and theoretical insights into metal-scorpionate ligand complexes . Eur. J. Inorg. Chem. , 1351 – 1360 .
   Web of Science ®Google Scholar
• Dodds , C. A. , M.-A. Lehmann , J. F. Ojo , J. Reglinski , and M. D. Spicer , 2004. Cobalt half-sandwich, sandwich and mixed sandwich complexes with soft tripodal ligands. Inorg. Chem. , 43, 4927–4934.
   PubMed Web of Science ®Google Scholar
• Garner , M. , K. Lewinski , A. Pattek-Janczyk , J. Reglinski , B. Sicklucka , M. D. Spicer , and M. Szaleniec , 2003 . Structural and Spectroscopic Characterisation of the bis-ligand complexes of iron(II), Nickel(II) and Nickel(III) with the Hydrotris(methimazolyl)borate anion: Soft S6 donor sets generating a weak ligand field . Dalton Trans. , 1181 – 1185 .
   Web of Science ®Google Scholar
• Jesson , J. P. , S. Trofimenko , and D. R. Eaton , 1967 . Spin equilibria in Octahedral Iron(II) Poly(1-pyrazolyl)borates . J. Am. Chem. Soc. , 89 , 3158 – 3164 .
   Web of Science ®Google Scholar
• Bailey , P. J. , A. Dawson , C. McCormack , S. A. Moggach , I. D. Oswald , S. Parsons , D. W. H. Rankin , and A. Turner , 2005 . Barriers to Racemization in C 3-Symmetric Complexes Containing the Hydrotris(2-mercapto-1-ethylimidazolyl)borate) TmEt Ligand . Inorg. Chem. , 44 , 8884 – 8898 .
   PubMed Web of Science ®Google Scholar
• Kimblin , C. , D. G. Churchill , B. M. Bridgewater , J. N. Girard , D. A. Quarless , and G. Parkin , 2001 . Tris(mercaptoimidazolyl)hydroborato Complexes of Cobalt and Iron, [TmPh]2M (M = Fe, Co): Structural Comparisons with their Tris(pyrazolyl)hydroborato Counterparts . Polyhedron. , 20 , 1891 – 1896 .
   Web of Science ®Google Scholar
• Figueroa , J. S. , J. G. Melnick , and G. Parkin , 2006 . Reactivity of the Metal → BX3 Dative σ-Bond: 1,2-Addition Reactions of the Fe → BX3 Moeity of the Ferraboratrane Complex [κ 4 -B(mimBut)3Fe(CO)2 . Inorg. Chem. , 45 , 7056 – 7058 .
   PubMed Web of Science ®Google Scholar
• Hill , A. F. , G. R. Owen , A. J. P. White , and D. J. Williams , 1999 . The sting of the scorpion: A metallaboratrane . Angew. Chem. Int. Ed. , 38 , 2759 – 2761 .
   PubMed Web of Science ®Google Scholar
• Foreman , M. R. S.-J. , A. F. Hill , A. J. P. White , and D. J. Williams , 2004 . Polyzolyl chelate chemistry. 13. An Osmaboratrane . Organometallics. , 23 , 913 – 916 .
   Web of Science ®Google Scholar
• Crossley , I. R. , M. R. S.-J. Foreman , A. F. Hill , A. J. P. White , and D. J. Williams , 2005 . The first rhodaboratrane: [RhCl(PPh3){B(mt}](Rh → B) (mt = methimazolyl) . Chem. Commun. , 221 – 223 .
   PubMed Web of Science ®Google Scholar
• Crossley , I. R. , A. F. Hill , and A. C. Willis , 2006 . Metallaboratranes: Tris(methimazolyl)borane Complexes of Rhodium(I) . Organometallics. , 25 , 289 – 299 .
   Web of Science ®Google Scholar
• Landry , V. K. , J. G. Melnick , D. Buccella , K. Pang , J. C. Ulichny , and G. Parkin , 2006 . Synthesis and Structural Characterization of [κ3-B,S,S-B(mimR)3]Ir(CO)(PPh3)H (R = But, Ph) and [κ 4 -B(mimBut)3]M(PPh3)Cl (M = Rh, Ir): Analysis of the Bonding in Metal Borane Compounds . Inorg. Chem. , 45 , 2588 – 2597 .
   PubMed Web of Science ®Google Scholar
• Pang , K. , S. M. Quan , and G. Parkin , 2006 . Palladium Complexes with Pd B Dative Bonds: Analysis of the Bonding in the Palladaboratrane Compound [κ 4 -B(mimBut)3]Pd(PMe3) . Chem. Commun. , 5015 – 5017 .
   PubMed Web of Science ®Google Scholar
• Crossley , I. R. and A. F. Hill , 2004. Di- and Zerovalent Platinaboratranes: The First Pentacoordinate d 10 Platinum(0) Complex. Organometallics. , 23, 5656–5685.
   Web of Science ®Google Scholar
• Foreman , M. R. S. -J., A. F. Hill , G. R. Owen , A. J. P. White , and D. J. Williams , 2003 . Polyazolyl chelate chemistry. 12. An unusual mode of coordination for the Hydrotris(methimazolyl)borato ligand . Organometallics. , 22 , 4446 – 4450 .
   Web of Science ®Google Scholar
• Crossley , I. R. and A. F. Hill , 2008 . Unlocking the metallaboratrane cage: Reversible B-H activation in platinaboratranes . Dalton Trans. , 201 – 203 .
   PubMed Web of Science ®Google Scholar
• Trofimenko , S. , J. C. Calabrese , and J. S. Thompson , 1987 . Novel polypyrazolylborate ligands: Coordination control through 3-substituents of the pyrazole ring . Inorg. Chem. , 26 , 1507 – 1514 .
   Web of Science ®Google Scholar
• Landry , V. K. , D. Buccella , K. Pang , and G. Parkin , 2007 . Bis- and Tris(2-seleno-1-methylimidazolyl)hydroborato Complexes, {[BseMe]ZnX}2 (X = Cl, I), [BseMe]2Zn and [TseMe]Re(CO)3: Structural Evidence that the [BseMe] Ligand is Not Merely a “Heavier” Version of the Sulfur Counterpart, [BmMe] . Dalton Trans. , 866 – 870 .
   PubMed Web of Science ®Google Scholar
• Landry , V. K. , K. Pang , S. M. Quan , and G. Parkin , 2007 . Tetrahedral nickel nitrosyl complexes with tripodal [N3] and [Se3] donor ancillary ligands: Structural and computational evidence that a linear nitrosyl is a trivalent ligand . Dalton Trans. , 820 – 824 .
   PubMed Web of Science ®Google Scholar
• Bailey , P. J. , M. Lanfranchi , L. Marchiò , and S. Parsons , 2001 . Hydridotris(thioxotriazolyl)borate (Tt), an ambidentate (N3/S3) tripodal ligand. X-ray crystal structures of sodium, Bismuth(III), Tin(IV), and Manganese(I) complexes . Inorg. Chem. , 40 , 5030 – 5035 .
   PubMed Web of Science ®Google Scholar
• Silva , R. M. , C. Gwengo , S. V. Lindemann , M. D. Smith , and J. R. Gardinier , 2006 . Janus Scorpionates: Supramolecular Tectons for the Directed Assembly of Hard-Soft Alkali Metallopolymer Chains . Inorg. Chem. , 45 , 10998 – 11007 .
   PubMed Web of Science ®Google Scholar
• Silva , R. M. , C. Gwengo , S. V. Lindemann , M. D. Smith , G. J. Long , F. Grandjean , and J. R. Gardinier , 2008 . A second-generation janus scorpionate ligand: Controlling coordination modes in iron(II) complexes by steric modulation . Inorg. Chem. , 47 , 7233 – 7242 .
   PubMed Web of Science ®Google Scholar
• Peters , J. C. , J. D. Feldman , and T. D. Tilley , 1999 . Silylene extrusion from a silane: Direct conversion of Mes2SiH to an iridium silylene dihydride . J. Am. Chem. Soc. , 121 , 9871 – 9872 .
   Web of Science ®Google Scholar
• Barney , A. A. , A. D. Heyduk , and D. G. Nocera , 1999 . Synthesis of an anionic tridentate phosphinoborate and its reaction chemistry with Sn(II) . Chem. Commun. , 2379 – 2380 .
   Web of Science ®Google Scholar
• Peters , J. C. and J. C. Thomas , 2004 . Anionic Tris- and Bis(diphenylphosphinomethyl)borates . Inorg. Synth. , 34 , 8 – 14 .
   Google Scholar
• Betley , T. A. and J. C. Peters , 2003 . The Strong-Field Tripodal Phosphine Donor, [PhB(CH2PiPr2)3]−, Provides Access to Electronically and Coordinatively Unsaturated Transition Metal Complexes . Inorg. Chem. , 42 , 5074 – 5084 .
   PubMed Web of Science ®Google Scholar
• Lu , C. C. , C. T. Saouma , M. W. Day , and J. C. Peters , 2007. Fe(I)-Mediated reductive cleavage and coupling of CO2: An FeII(μ-O,μ-CO)FeII core. J. Am. Chem. Soc. , 129, 4–5.
   PubMed Web of Science ®Google Scholar
• McCain , M. N. , S. Schneider , M. R. Salata , and T. J. Marks , 2008 . Tris(phosphino)borato Silver(I) complexes as precursors for metallic silver aerosol-assisted chemical vapor deposition . Inorg. Chem. , 47 , 2534 – 2542 .
   PubMed Web of Science ®Google Scholar
• MacBeth , C. E. , J. C. Thomas , T. A. Betley , and J. C. Peters , 2004 . The Coordination Chemistry of “[BP3]NiX” Platforms: Targeting Low-Valent Nickel Sources as Promising Candidates to L3Ni = E and L3Ni ≡ E Linkages . Inorg. Chem. , 43 , 4645 – 4662 .
   PubMed Web of Science ®Google Scholar
• Lu , C. C. and J. C. Peters , 2006 . Pseudotetrahedral Manganese Complexes Supported by the Anionic Tris(phosphino)borate Ligand [PhB iPr 3] . Inorg. Chem. , 45 , 8597 – 8607 .
   PubMed Web of Science ®Google Scholar
• Berglund , D. and D. W. Meek , 1972 . Cationic Nickel Nitrosyl Complexes with Two “Tripod-Like” Aliphatic Triphosphines . Inorg. Chem. , 11 , 1493 – 1496 .
   Web of Science ®Google Scholar
• Connolly , J. , A. R. J. Genge , W. Levason , S. D. Orchard , S. J. A. Pope , and G. Reid , 1999 . Cationic Manganese(I) Tricarbonyl Complexes with Group 15 and 16 Donor Ligands: Synthesis, Multinuclear NMR Spectroscopy and Crystal Structures . Dalton Trans. , 2243 – 2351 .
   Web of Science ®Google Scholar
• Hou , H. , A. Rheingold , and C. Kubiak , 2005 . An anionic zerovalent nickel carbonyl complex supported by a triphosphine borate ligand: An Ni-CO-Li Isocarbonyl . Organometallics. , 24 , 231 – 233 .
   Web of Science ®Google Scholar
• Mehn , M. P. , S. D. Brown , T. K. Paine , W. W. Brennessel , C. J. Cramer , J. C. Peters , and L. Que Jr. , 2006 . High-Spin and Low-Spin Iron(II) complexes with facially-coordinated borohydride ligands . Dalton Trans. , 1347 – 1351 .
   PubMed Web of Science ®Google Scholar
• Shapiro , I. R. , D. M. Jenkins , J. C. Thomas , M. W. Day , and J. C. Peters , 2001 . A homoleptic phosphine adduct of Tl(I) . Chem. Commun. , 2152 – 2153 .
   PubMed Web of Science ®Google Scholar
• Jenkins , D. M. , A. J. Di Bilio , M. J. Allen , T. A. Betley , and J. C. Peters , 2002 . Elucidation of a low spin Cobalt(II) system in a Distorted Tetrahedral Geometry . J. Am. Chem. Soc. , 124 , 15336 – 15350 .
   PubMed Web of Science ®Google Scholar
• Jenkins , D. M. and J. C. Peters , 2003 . Solution and Solid-State Spin-Crossover Behavior in a Pseudotetrahedral d7 Ion . J. Am. Chem. Soc. , 125 , 11162 – 11163 .
   PubMed Web of Science ®Google Scholar
• Jenkins , D. M. and J. C. Peters , 2005 . Spin-State tuning at pseudotetrahedral d 7 ions: examining the structural and magnetic phenomena of four-coordinate [BP3]CoII-X systems . J. Am. Chem. Soc. , 127 , 7148 – 7165 .
   PubMed Web of Science ®Google Scholar
• Daida , E. J. and J. C. Peters , 2004 . Considering FeII/FeIV redox processes as mechanistically relevant to the catalytic hydrogenation of olefins by [PhBP iPr 3]Fe-Hx species . Inorg. Chem. , 43 , 7474 – 7485 .
   PubMed Web of Science ®Google Scholar
• Betley , T. A. and J. C. Peters , 2004. A Tetrahedrally coordinated L3Fe-Nx platform that accomodates terminal nitride (FeIV ≡ N) and dinitrogen (FeI-N2-FeI) ligands. J. Am. Chem. Soc. , 126, 6252–6254.
   PubMed Web of Science ®Google Scholar
• Turculet , L. , J. D. Feldman , and T. D. Tilley , 2004 . Coordination chemistry and reactivity of new zwitterionic rhodium and iridium complexes featuring the tripodal phosphine ligand [PhB(CH2PiPr2)3]2 −. Activation of H-H, Si-H and Ligand B-C Bonds . Organometallics. , 23 , 2488 – 2502 .
   Web of Science ®Google Scholar
• Thomas , J. C. and J. C. Peters , 2004 . Platinum-alkyl and hydride complexes supported by a tris(phosphino)borate ligand: Structural and spectroscopic properties . Polyhedron. , 23 , 489 – 497 .
   Web of Science ®Google Scholar
• Kernbach , U. , M. Ramm , P. Luger , and W. P. Fehlhammer , 1996 . A chelating triscarbene ligand and its hexacarbene iron complex . Angew. Chem. Int. Ed. , 35 , 310 – 312 .
   Web of Science ®Google Scholar
• Fränkel , R. , U. Kernbach , M. Bakola-Christianopoulou , U. Plaia , M. Suter , W. Ponikwar , H. Nöth , C. Moinet , and W. P. Fehlhammer , 2001 . Homoleptic carbene complexes. Part VIII. hexacarbene complexes . J. Organomet. Chem. , 617–618 , 530 – 545 .
   Web of Science ®Google Scholar
• Nieto , I. , F. Cervantes-Lee , and J. M. Smith , 2005 . A new synthetic route to bulky “second generation” tris(imidazol-2-ylidene)borates: Synthesis of a four-coordinate iron(II) complex . Chem. Commun. , 3811 – 3813 .
   PubMed Web of Science ®Google Scholar
• Biffis , A. , G. G. Lobbia , G. Papini , M. Pellei , C. Santini , E. Scattolin , and C. Tubaro , 2008 . Novel scorpionate-type triscarbene ligands and their silver and gold complexes . J. Organomet. Chem. , 693 , 3760 – 3766 .
   Web of Science ®Google Scholar
• Rheingold , A. L. , C. B. White , and S. Trofimenko , 1993 . Hydrotris(3-mesitylpyrazol-1-yl)borate and hydrobis(3-mesitylpyrazol-1-yl)(5-mesitylpyrazol-1-yl)borate: Symmetric and asymmetric ligands with rotationally restricted aryl substituents . Inorg. Chem. , 32 , 3471 – 3477 .
   Web of Science ®Google Scholar
• Tubaro , C. , A. Biffis , E. Scattolin , and M. Basato , 2008 . Efficient catalysis of ullman-type arylation reactions by a novel trinuclear copper(I) complex with a chelating tricarbene ligand . Tetrahedron. , 64 , 4187 – 4195 .
   Web of Science ®Google Scholar
• Alder , R. W. , P. R. Allen , and S. J. Williams , 1995 . Stable carbenes as strong bases . Chem. Commun. , 1267 – 1268 .
   Web of Science ®Google Scholar
• Kim , Y.-J. and A. Streitwieser , 2002 . Basicity of a stable carbene, 1,3-Di-tert-butylimidazol-2-ylidene, in THF . J. Am. Chem. Soc. , 124 , 5757 – 5761 .
   PubMed Web of Science ®Google Scholar
• Hu , X. , Y. Tang , P. Gantzel , and K. Meyer , 2003 . Silver complexes of a novel tripodal n-heterocyclic carbene ligand: Evidence for significant metal-carbene π-interaction . Organometallics , 22 , 612 – 614 .
   Web of Science ®Google Scholar
• Nemcsok , D. , K. Wichmann , and G. Frenking , 2004 . The significance of π interactions in group 11 complexes with N-Heterocyclic carbenes . Organometallics , 23 , 3640 – 3646 .
   Web of Science ®Google Scholar
• Dorta , R. , E. D. Stevens , and S. P. Nolan , 2004. Double C-H activation in a Rh-NHC complex leading to the isolation of a 14-electron Rh(III) Complex. J. Am. Chem. Soc. , 126, 5054–5055.
   PubMed Web of Science ®Google Scholar
• Scott , N. M. , R. Dorta , E. D. Stevens , A. Correa , L. Cavallo , and S. P. Nolan , 2005 . Interaction of a Bulky N-Heterocyclic carbene ligand with Rh(I) and Ir(I). double C-H activation and isolation of bare 14-electron Rh(III) and Ir(III) Complexes . J. Am. Chem. Soc. , 127 , 3516 – 3526 .
   PubMed Web of Science ®Google Scholar
• Díez-González , S. and S. P. Nolan , 2007 . Stereoelectronic parameters associated with N-Heterocyclic Carbene (NHC) ligands: A quest for understanding . Coord. Chem. Rev. , 251 , 874 – 883 .
   Web of Science ®Google Scholar
• Mungur , S. A. , S. T. Liddle , C. Wilson , M. J. Sarsfield , and P. L. Arnold , 2004 . Bent metal carbene geometries in amido N-Heterocyclic carbene complexes . Chem. Commun. , 2738 – 2739 .
   PubMed Web of Science ®Google Scholar
• Sharp , P. R. and A. J. Bard , 1983 . Electrochemistry in liquid sulfur dioxide. 4. Electrochemical production of highly oxidized forms of ferrocene, decamethylferrocene, and iron bis(tris(1-pyrazolyl)borate . Inorg. Chem. , 22 , 2689 – 2693 .
   Web of Science ®Google Scholar
• Nieto , I. , F. Ding , R. P. Bontchev , H. Wang , and J. M. Smith , 2008 . Thermodynamics of hydrogen atom transfer to a high-valent iron imido complex . J. Am. Chem. Soc. , 130 , 2716 – 2717 .
   PubMed Web of Science ®Google Scholar
• Cowley , R. E. , E. N. Duesler , R. P. Bontchev , and J. M. Smith , 2006 . Removing the sting from the tail. Reversible protonation of scorpionate ligands in cobalt(II) tris(carbene)borate complexes . Inorg. Chem. , 45 , 9771 – 9779 .
   PubMed Web of Science ®Google Scholar
• Nieto , I. , J. Telser , J. Krzystek , A. Ozarowski , and J. M. Smith . Synthesis and spectroscopy of four-coordinate nickel complexes supported by a bulky tris(carbene)borate lignad, submitted .
   Google Scholar
• Forshaw , A. P. , R. P. Bontchev , and J. M. Smith , 2007 . Oxidation of the tris(carbene)borate complex PhB(MeIm)3MnI(CO)3 to MnIV[PhB(MeIm)3]2(OTf)2 . Inorg. Chem. , 46 , 3792 – 3794 .
   PubMed Web of Science ®Google Scholar
• Cowley , R. E. , R. P. Bontchev , J. Sorrell , O. Sarracino , Y. Feng , H. Wang , and J. M. Smith , 2007 . Formation of a cobalt(III) imido from a cobalt(II) amido complex. evidence for proton-coupled electron transfer . J. Am. Chem. Soc. , 129 , 2424 – 2425 .
   PubMed Web of Science ®Google Scholar
• Tolman , C. A. 1977 . Steric effects of phosphorus ligands in organometallic chemistry and homogeneous catalysis . Chem. Rev. , 77 , 313 – 348 .
   Web of Science ®Google Scholar
• Gorrell , I. B. and G. Parkin , 1990 . (Tris-(3-tert-butylpyrazolyl)hydroborato)manganese(II), -iron(II), -cobalt(II), and -nickel(II) halide derivatives: facile abstraction of fluoride from tetrafluoroborate(1-) . Inorg. Chem. , 29 , 2452 – 2456 .
   Web of Science ®Google Scholar
• Tangen , E. , J. Conradie , and A. Ghosh , 2007 . Bonding in low-coordinate environments: Electronic structure of pseudotetrahedral iron-imido complexes . J. Chem. Theory Comput. , 3 , 448 – 457 .
   PubMed Web of Science ®Google Scholar
• Wasbotten , I. H. and A. Ghosh , 2007. Spin-state energetics and spin-crossover behavior of pseudotetrahedral cobalt(III)-imido complexes. the role of the tripodal supporting ligands. Inorg. Chem. , 46, 7890–7898.
   PubMed Web of Science ®Google Scholar
• Betley , T. A. , Q. Wu , T. Van Voorhuis , and D. G. Nocera , 2008 . Electronic design criteria for O-O bond formation via metal-Oxo complexes . Inorg. Chem. , 47 , 1849 – 1861 .
   PubMed Web of Science ®Google Scholar
• Scepaniak , J. J. , M. D. Fulton , R. P. Bontchev , E. N. Duesler , M. L. Kirk , and J. M. Smith , 2008 . Structural and spectroscopic characterization of an electrophilic iron nitrido complex . J. Am. Chem. Soc. , 10515 – 10517 .
   PubMed Web of Science ®Google Scholar
• Jenkins , D. M. , T. A. Betley , and J. C. Peters , 2002 . Oxidative group transfer to Co(I) affords a terminal Co(III) imido complex . J. Am. Chem. Soc. , 11238 – 11239 .
   PubMed Web of Science ®Google Scholar
• Brown , S. D. , T. A. Betley , and J. C. Peters , 2003 . A low-spin d5 iron imide: Nitrene capture by low-coordinate iron(I) provides the 4-coordinate Fe(III) complex [PhB(CH2PPH2)3]Fe ≡ N-p-tolyl . J. Am. Chem. Soc. , 125 , 322 – 323 .
   PubMed Web of Science ®Google Scholar
• Brown , S. D. and J. C. Peters , 2005 . Ground-state singlet L3Fe-(μ-N)-FeL3 and L3Fe(NR) complexes featuring pseudotetrahedral Fe(II) Centers . J. Am. Chem. Soc. , 127 , 1913 – 1923 .
   PubMed Web of Science ®Google Scholar
• Ingleson , M. J. , M. Pink , H. Fan , and K. G. Caulton , 2008 . Redox chemistry of the triplet complex (PNP)CoI . J. Am. Chem. Soc. , 130 , 4262 – 4276 .
   PubMed Web of Science ®Google Scholar
• Chomitz , W. A. and J. Arnold , 2008 . Reactivity of a Co(I) [N2P2] complex with azides: Evidence for a transient Co(III) imido species . Chem. Commun. , 3648 – 3650 .
   PubMed Web of Science ®Google Scholar
• Hendrich , M. P. , W. Genderson , R. K. Behan , M. T. Green , M. P. Mehn , T. A. Betley , C. C. Lu , and J. C. Peters , 2006 . On the feasibility of N2 fixation via a single-site FeI/FeIV cycle: spectroscopic studies of FeI(N2)FeI, FeIV = N and related species . Proc. Nat. Acad. Sci. , 103 , 17107 – 17112 .
   PubMed Web of Science ®Google Scholar
• Shay , D. T. , G. P. A. Yap , L. N. Zakharov , A. L. Rheingold , and K. H. Theopold , 2005 . Intramolecular C-H Activation by an open-shell cobalt(III) imido complex . Angew. Chem. Int. Ed. , 44 , 1508 – 1510 .
   PubMed Web of Science ®Google Scholar
• Shay , D. T. , G. P. A. Yap , L. N. Zakharov , A. L. Rheingold , and K. H. Theopold , 2006 . Intramolecular C-H activation by an open-shell cobalt(III) imido complex (corrigenium) . Angew. Chem. Int. Ed. , 45 , 7870 – 7870 .
   Web of Science ®Google Scholar
• Vogel , C. , F. W. Heinemann , J. Sutter , C. Anthon , and K. Meyer , 2008 . An iron nitride complex . Angew. Chem. Int. Ed. , 47 , 2681 – 2684 .
   PubMed Web of Science ®Google Scholar
• Belderraín , T. R. , M. Paneque , E. Carmona , E. Gutiérrez-Puebla , M. A. Monge , and C. Ruiz-Valero , 2002 . Three-center, two-electron M··· H-B bonds in complexes of Ni, Co, and Fe and the dihydrobis(3-tert-butylpyrazolyl)borate ligand . Inorg. Chem. , 41 , 425 – 428 .
   PubMed Web of Science ®Google Scholar
• Alvarez , H. M. , M. Krawiec , B. T. Donovan-Merkert , M. Fouzi , and D. Rabinovich , 2001 . Modeling nickel hydrogenases: Synthesis and structure of a distorted octahedral complex with an unprecedented [NiS4H2] core . Inorg. Chem. , 40 , 5736 – 5737 .
   PubMed Web of Science ®Google Scholar
• Garcia , R. , A. Paulo , A. Domingos , I. Santos , K. Ortner , and R. Alberto , 2000. Re and tc complexes containing B-H··· M agostic interactions as building blocks for the design of radiopharmaceuticals. J. Am. Chem. Soc. , 122, 11240–11241.
   Web of Science ®Google Scholar
• Garcia , R. , A. Domingos , A. Paulo , I. Santos , and R. Alberto , 2002 . Reactivity of [Re{κ3-H(μ-H)B(timMe)2}(CO)3] (timMe = 2-Mercapto-1-methylimidazolyl) toward Neutral Substrates . Inorg. Chem. , 41 , 2422 – 2428 .
   PubMed Web of Science ®Google Scholar
• Saito , T. , S. Kuwata , and T. Ikariya , 2006 . Synthesis and reactivity of tris(7-azaindolyl)boratoruthenium complex. Comparison with Poly(methimazolyl)borate analogue . Chem. Lett. , 35 , 1224 – 1225 .
   Web of Science ®Google Scholar
• Thomas , J. C. and J. C. Peters , 2003 . Bis(phosphino)borates: A new family of monoanionic chelating phosphine ligands . Inorg. Chem. , 42 , 5055 – 5073 .
   PubMed Web of Science ®Google Scholar
• Fränkel , R. , J. Kniczek , W. Ponikwar , H. Nöth , K. Kolborn , and W. P. Fehlhammer , 2001 . Homoleptic carbene complexes. Part IX. Bis(imidazolin-2-ylidene-1-yl)borate complexes of palladium(II), platinum(II) and gold(I) . Inorg. Chim. Acta. , 312 , 23 – 29 .
   Web of Science ®Google Scholar
• Nieto , I. , R. P. Bontchev , and J. M. Smith , 2008 . Synthesis of a bulky bis(carbene)borate ligand – contrasting structures of homoleptic nickel(II) bis(pyrazolyl)borate and bis(carbene)borate complexes . Eur. J. Inorg. Chem. , 2476 – 2480 .
   Web of Science ®Google Scholar
• Reglinski , J. , M. D. Spicer , J. F. Ojo , G. D. McAnally , A. Skórska , S. J. Smith , and W. E. Smith , 2003 . Altering the surface characteristics of coated silver surfaces. Soft donors allow the direct detection of isolated porphyrins using surface-enhanced resonance raman spectroscopy . Langmuir. , 19 , 6336 – 6338 .
   Web of Science ®Google Scholar
• Casado , M. A. , V. Hack , J. A. Camerano , M. A. Ciriano , C. Tejel , and L. A. Oro , 2005 . Unprecedented hybrid scorpionate/phosphine ligand able to be anchored to carbosilane dendrimers . Inorg. Chem. , 44 , 9122 – 9124 .
   PubMed Web of Science ®Google Scholar
• Thomas , C. M. , N. P. Mankad , and J. C. Peters , 2006 . Characterization of the terminal iron(IV) imides {[PhBP2 tBu(pz′)]FeIV ≡ NAd}+ . J. Am. Chem. Soc. , 128 , 4956 – 4957 .
   PubMed Web of Science ®Google Scholar
• Abhikari , D. , G. Zhao , F. Basuli , J. Tomaszewski , J. C. Huffman , and D. J. Mindiola , 2006 . Tl(I), Fe(II), and Co(II) complexes supported by a monoanionic N,N,N′-heteroscorpionate ligand. Bis(3,5-di-tertbutylpyrazol-1-yl)-1-CH2NAr (Ar = 2,6-iPr2C6H3) . Inorg. Chem. , 45 , 1604 – 1610 .
   PubMed Web of Science ®Google Scholar
• Whited , M. T. , E. Rivard , and J. C. Peters , 2006 . Complexes of iron and cobalt with new amido-polyphosphine hybrid ligands . Chem. Commun. , 1613 – 1615 .
   PubMed Web of Science ®Google Scholar
• Papini , G. , G. Bandoli , A. Dolmella , G. Gioai Lobbia , M. Pellei , and C. Santini , 2008 . New homoleptic carbene transfer ligands and related coinage metal complexes . Inorg. Chem. Comm. , 11 , 1104 – 1107 .
   Web of Science ®Google Scholar
• Wittmann , H. , V. Raab , A. Schorm , J. Plackmeyer , and J. Sundermeyer , 2001. Complexes of manganese, iron, zinc, and molybdenum with a superbasic tris(guanidine) derivative of tris(2-ethylamino)amine (Tren) as a tripod ligand. Eur. J. Inorg. Chem. , 1937–1948.
   Web of Science ®Google Scholar
• Herrmann , W. A. , J. Schütz , G. D. Frey , and E. Herdtweck , 2006 . N-Heterocyclic carbenes: Synthesis, structures, and electronic ligand properties . Organometallics. , 25 , 2437 – 2448 .
   Web of Science ®Google Scholar
• Lavallo , V. , Y. Canac , C. Präsang , B. Donnadieu , and G. Bertrand , 2005 . Stable cyclic (alkyl)(amino)carbenes as rigid or flexible, bulky, electron-rich ligands for transition-metal catalysts: A quaternary carbon atom makes the difference . Angew. Chem. Int. Ed. , 44 , 5705 – 5709 .
   PubMed Web of Science ®Google Scholar
• Lavallo , V. , A. Dyker , B. Dannadieu , and G. Bertrand , 2008 . Synthesis and ligand properties of stable five-membered ring allenes composed of second row elements . Angew. Chem. Int. Ed. , 47 , 5411 – 5414 .
   PubMed Web of Science ®Google Scholar
• Crichton , O. and A. J. Rest , 1977 . Photochemistry of (η-cyclopentadienyl)nitrosylnickel in frozen gas matrices at 20 K. Infrared spectroscopic evidence for mono- and di-carbonyl(η-cyclopentadienyl)nickel in carbon monoxide matrices and for a species formed by photoionisation or photoelectron transfer in inert matrices . J. Chem. Soc., Dalton Trans. , 986 – 993 .
   Google Scholar
• Green , J. C. and C. Underwood , 1997 . Pentamethylcyclopentadienylnickelnitrosyl: Synthesis and photoelectron spectrum . J. Organomet. Chem. , 528 , 91 – 94 .
   Web of Science ®Google Scholar
• Harding , D. J. , P. Harding , H. Adams , and T. Tuntulani , 2007 . Synthesis and characterization of sterically hindered tris(pyrazolyl)borate ni complexes . Inorg. Chim. Acta. , 360 , 3335 – 3340 .
   Web of Science ®Google Scholar
• Schebler , P. J. , C. G. Riordan , I. A. Guzei , and A. L. Rheingold , 1997 . Phenyltris((tert-butylthio)methyl)borate: A second generation S3 - ligand that enforces tetrahedral coordination . Inorg. Chem. , 37 , 4754 – 4755 .
   Web of Science ®Google Scholar
• Tellers , D. M. , S. J. Skoog , R. G. Bergman , T. B. Gunnoe , and W. D. Harman , 2000 . Comparison of the relative electron-donating abilities of hydridotris(pyrazolyl)borate and cyclopentadienyl ligands: Different interactions with different transition metals . Organometallics. , 19 , 2428 – 2432 .
   Web of Science ®Google Scholar
• King , R. B. and M. B. Bisnette , 1967 . Organometallic chemistry of the transition metals. XXI. Some π-pentamethylcyclopentadienyl derivatives of various transition metals . J. Organomet. Chem. , 8 , 287 – 297 .
   Web of Science ®Google Scholar
• Detrich , J. L. , O. Reinaud , A. L. Rheingold , and K. H. Theopold , 1995 . Can spin state change slow organometallic reactions? J. Am. Chem. Soc. , 117 , 11745 – 11748 .
   Web of Science ®Google Scholar
• Cotton , F. A. , A. O. Liehr , and G. Wilkinson , 1955 . Infrared spectra and structures of cyclopentadienylcarbon monoxide compounds of vanadium, manganese, iron, cobalt, molybdenum, and tungsten . J. Inorg. Nucl. Chem. , 1 , 175 – 186 .
   Web of Science ®Google Scholar
• Fagan , P. J. , W. S. Mahoney , J. C. Calabrese , and I. D. Williams , 1990. Structure and chemistry of the complex tetrakis(η 5 -pentamethylcyclopentadienyl)tetrakis(μ3-chloro)tetraruthenium(II): A useful precursor to (pentamethylcyclopentadienyl)ruthenium(0), -(II), and -(IV) complexes. Organometallics. , 9, 1843–1852.
   Web of Science ®Google Scholar
• Brown , D. A. , H. J. Lyons , and R. T. Sane , 1970 . Solvent and structural effects in substitution reactions of metal carbonyl halides . Inorg. Chim. Acta. , 4 , 621 – 625 .
   Google Scholar
• Steyn , M. M. d. V. , E. Singleton , S. Hietkamp , and D. C. Liles , 1990 . Novel dinuclear ruthenium(I) and osmium(I) complexes containing poly(pyrazolyl)borato Ligands. X-ray Crystal Structure of [{Ru[HB(C3H3N2)3](CO)2}2] . J. Chem. Soc., Dalton Trans. , 2991 – 2997 .
   Google Scholar
• De Alwis , D. C. L. and F. A. Schultz , 2003 . Metal-Bis[poly(pyrazolyl)borate] complexes. Electrochemical, magnetic, and spectroscopic properties and coupled electron-transfer and spin-exchange reactions . Inorg. Chem. , 42 , 3616 – 3622 .
   PubMed Web of Science ®Google Scholar
• Gennett , T. , D. F. Milner , and M. J. Weaver , 1985 . Role of solvent reorganization dynamics in electron-transfer processes. Theory-experiment comparisons for electrochemical and homogeneous electron exchange involving metallocene redox couples . J. Phys. Chem. , 89 , 2787 – 2794 .
   Web of Science ®Google Scholar
• Taverner , B. C. 1996 . Improved algorithm for accurate computation of molecular solid angles . J. Comput. Chem. , 17 , 1612 – 1623 .
   Web of Science ®Google Scholar