Dr. T. Keith Hollis

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T. Keith Hollis


  1. Helgert, T. R.; Zhang, X.; Box, H. K.; Denny, J. A.; Valle, H. U.; Oliver, A. G.; Akurathi, G.; Webster, C. E.; Hollis, T. K., "Extreme π-Loading as a Design Element for Accessing Imido Ligand Reactivity. A CCC-NHC Pincer Tantalum Bis(imido) Complex: Synthesis, Characterization, and Catalytic Oxidative Amination of Alkenes;" Organometallics 2016, 35, DOI: 10.1021/acs.organomet.6b00216. Full access: http://pubsdc3.acs.org/articlesonrequest/AOR-PTYD7x5mQvd3faAXE9nz
  3. Reilly, S. W.; Webster, C. E.; Hollis, T. K.; Valle, H. U., "Transmetallation from CCC-NHC pincer Zr complexes in the synthesis of air-stable CCC-NHC pincer Co(III) complexes and initial hydroboration trials;" Dalton Trans. 2016, 45, 2823-2828, DOI: 10.1039/C5DT04752H.
  5. Reilly, S. W.; Akurathi, G.; Box, H. K.; Valle, H. U.; Hollis, T. K.; Webster, C. E., "β-Boration of α,β-unsaturated carbonyl compounds in ethanol and methanol catalyzed by CCC-NHC pincer Rh complexes;" J. Organomet. Chem. 2016, 802, 32-38, DOI: http://dx.doi.org/10.1016/j.jorganchem.2015.11.010.
  7. Valle, H. U.; Akurathi, G.; Cho, J.; Clark, W. D.; Chakraborty, A.; Hollis, T. K., "CCC-NHC Pincer Zr Diamido Complexes: Synthesis, Characterisation, and Catalytic Activity in Hydroamination/Cyclisation of Unactivated Amino-Alkenes,-Alkynes, and Allenes;" Aust. J. Chem. 2016, 69, 565-572, DOI: 10.1071/CH15795. Special issue in memory of Professor Brice Bosnich.
  9. Clark, W. D.; Leigh, K. N.; Webster, C. E.; Hollis, T. K., "Experimental and Computational Studies of the Mechanisms of Hydroamination/Cyclisation of Unactivated α,ω-Amino-alkenes with CCC-NHC Pincer Zr Complexes;" Aust. J. Chem. 2016, 69, 573-582, DOI: 10.1071/CH15779. Special issue in memory of Professor Brice Bosnich.
  11. Clark, W. D.; Akurathi, G.; Valle, H. U.; Hollis, T. K., "Crystal structure of tris(dimethylamido-?N)bis(dimethylamine-?N)zirconium(IV) iodide;" Acta Crystallographica Section E: Crystallographic Communications 2016, 72, DOI: 10.1107/S2056989015023919.
  13. Clark, W.D., Akurathi, G., Valle, H.U. & Hollis, T.K., "Crystal structure of tris(dimethylamido)bis(dimethylamine)zirconium(IV)iodide" (2016). Acta Cryst. E72, doi:10.1107/S2056989015023919.
  15. Perera, G. S.; Nettles, C. B.; Zhou, Y.; Zou, S.; Hollis, T. K.; Zhang, D., "Direct Observation of Ion Pairing at the Liquid/Solid Interfaces by Surface Enhanced Raman Spectroscopy;" Langmuir 2015, 31, 8998-9005, DOI: 10.1021/acs.langmuir.5b01903. Full access: http://pubs.acs.org/articlesonrequest/AOR-cEyw3DSYrZUrpEa4UsRT
  17. Tyson, G. E.; Tokmic, K.; Oian, C. S.; Rabinovich, D.; Valle, H. U.; Hollis, T. K.; Kelly, J. T.; Cuellar, K. A.; McNamara, L. E.; Hammer, N. I.; Webster, C. E.; Oliver, A. G.; Zhang, M., "Synthesis, characterization, photophysical properties, and catalytic activity of an SCS bis(N-heterocyclic thione) (SCS-NHT) Pd pincer complex;" Dalton Trans. 2015, 44, 14475-14482, DOI: 10.1039/C4DT03324H.
  19. Hollis, T. K.; Zhang, X.; US Patent 9,029,804: USA, 2015.
  21. Reilly, S. W.; Box, H. K.; Kuchenbeiser, G. R.; Rubio, R. J.; Letko, C. S.; Cousineau, K. D.; Hollis, T. K., "1,4-Addition of aryl boronic acids to α,β-unsaturated ketones catalyzed by a CCC-NHC pincer rhodium complex;" Tetrahedron Lett. 2014, 55, 6738-6742, DOI: 10.1016/j.tetlet.2014.09.107.
  23. Howell, T. O.; Huckaba, A. J.; Hollis, T. K., "An Efficient Synthesis of Bis-1,3-(3'-aryl-N-heterocycl-1'-yl)arenes as CCC-NHC Pincer Ligand Precursors;" Org. Lett. 2014, 16, 2570-2572, DOI: 10.1021/ol5007407. Full access: http://pubs.acs.org/articlesonrequest/AOR-TKQC4ukrkBEIDppgyytE
  25. Helgert, T. R.; Hollis, T. K.; Oliver, A. G.; Valle, H. U.; Wu, Y.; Webster, C. E., "Synthesis, Characterization, and X-ray Molecular Structure of Tantalum CCC-N-Heterocyclic Carbene (CCC-NHC) Pincer Complexes with Imidazole- and Triazole-Based Ligands;" Organometallics 2014, 33, 952-958, DOI: 10.1021/om401063e. Full access: http://pubs.acs.org/articlesonrequest/AOR-M2sPm2ZSq4Vei8qIXefF
  27. Clark, W. D.; Cho, J.; Valle, H. U.; Hollis, T. K.; Valente, E. J., "Metal and halogen dependence of the rate effect in hydroamination/cyclization of unactivated aminoalkenes: Synthesis, characterization, and catalytic rates of CCC-NHC hafnium and zirconium pincer complexes;" J. Organomet. Chem., 2014, 751, 534-540, DOI: 10.1016/j.jorganchem.2013.11.001.
  29. Huckaba, A. J.; Hollis, T. K.; Reilly, S. W., "Homobimetallic Rhodium NHC Complexes as Versatile Catalysts for Hydrosilylation of a Multitude of Substrates in the Presence of Ambient Air;" Organometallics 2013, 32, 6248-6256, DOI: 10.1021/om400452q. Full access: http://pubs.acs.org/articlesonrequest/AOR-TkzBHnxsgVuAt28kPuCw
  31. Aron J. Huckaba, Bei Cao, T. Keith Hollis,* Henry U. Valle, John Kelley, Nathan I. Hammer, A. G. Oliver, C. Edwin Webster "Benzimidazolyl Platinum CCC-NHC Pincer Complexes: Synthesis, Characterization, and Photostability of a Blue-Green Emitter," Dalton Trans. 2013, 42, 8820-8826, DOI:10.1039/C3DT50438G.
  33. Huckaba, A. J.; Hollis, T. K.; Howell, T. O.; Valle, H. U., Wu, Y. "Synthesis and Characterization of a 1,3-Phenylene-Bridged N-Alkyl Bis(benzimidazole) CCC-NHC Pincer Ligand Precursor: Homobimetallic Silver and Rhodium Complexes and the Catalytic Hydrosilylation of Phenylacetylene," Organometallics, 2013, 32, 63-69, DOI: dx.doi.org/10.1021/om3008037. February 2013, #13 MOST READ article for the month according to Organometallics website. 
  35. Wesley D. Clark, Ginger E. Tyson, T. Keith Hollis,* Edward J. Valente, Henry U. Valle, "Toward Molecular Rotors: Tetra-N-Heterocyclic Carbene Ag(I)-Halide Cubane-type Clusters," Dalton Transactions 2013, 42(20), 7338 7344, DOI: 10.1039/C3DT32862G. Invited for Dalton Transactions special issue on NHCs.
  37. Xiaofei Zhang, Bei Cao, Edward J. Valente, T. Keith Hollis* "Synthesis, Characterization, Photoluminescence, and Simulations of a CCC-NHC Supported Pt2Ag2 Mixed-Metal Cluster Containing a PtAg2 Metallo-Cyclopropane," Organometallics, 2013, 32, 752-761, DOI: dx.doi.org/10.1021/om300330y. February 2013, #14 MOST READ article for the month according to Organometallics website.
  39. Helgert, T. R.; Hollis, T. K.; Valente, E. J., "Synthesis of Titanium CCC-NHC Pincer Complexes and Catalytic Hydroamination of Unactivated Alkenes;" Organometallics 2012, 31, 3002-3009, DOI: 10.1021/om2010436. Full Access: http://pubs.acs.org/articlesonrequest/AOR-XSDI9UH98vgrMnIJendw
  41. Zhang, X.; Wright, A. M.; DeYonker, N. J.; Hollis, T. K.; Hammer, N. I.; Webster, C. E.; Valente, E. J., "Synthesis, air stability, photobleaching, and DFT modeling of blue light emitting platinum CCC-N-heterocyclic carbene pincer complexes;" Organometallics 2012, 31, 1664-1672, DOI: 10.1021/om200687w. It was the #4 MOST READ article for the month it appeared.  Among those on the list it was the #2 MOST READ original research article.  As of November 2012 it was the #14 MOST READ article in the last 12 months on the Organometallics website. For February 2013 it was the #12 most read on the Organometallics website. Full access: http://pubs.acs.org/articlesonrequest/AOR-CB5F2RIaT74Z5ghuQkja
  43. Joon Cho, T. Keith Hollis,* Edward J. Valente, Jaclyn M. Trate "CCC-N-Heterocyclic Carbene Pincer Complexes: Synthesis, Characterization and Hydroamination Activity of a Hafnium Complex," Journal of Organometallic Chemistry, 2011, 696, 373-377, DOI:10.1016/j.jorganchem.2010.1
  45. Joon Cho, T. Keith Hollis,* Theodore R. Helgert, Edward J. Valente "An Improved Method for the Synthesis of Zirconium (CCC-N-Heterocyclic Carbene) Pincer Complexes and Applications in Hydroamination," Chemical Communications, 2008, 5001-5003, DOI: 10.1039/b805174g.
  47. Andriy Nadtochiy, T. Keith Hollis,* and Igor Ostrovskii* "Ferroelectric bimorph cantilever with self-assembled silane layer," Applied Physics Letters, 2008, 92, 263503. DOI: 10.1063/1.2952281.
  49. Eike B. Bauer, Gurusamy Thangavelu Senthil Andavan, T. Keith Hollis,* Ramel J. Rubio, Joon Cho, Glenn R. Kuchenbeiser, Theodore R. Helgert, Christopher S. Letko, Fook S. Tham "Air and Water Stable Catalysts for Hydroamination/Cyclization.  Synthesis and Application of CCC-NHC Pincer Complexes," Organic Letters, 2008, 10, 1175-1178.
  51. William P. Freeman, Yi Joon Ahn, T. Keith Hollis,* J. Andrew Whitaker, Victor C. Vargas, Ramel J. Rubio, Karen D. Alingog, Eike B. Bauer, Fook S. Tham "Isomerization in Bent Phosphametallocenes: Combining Rotational Barriers and the Intramolecular Slip-Inversion- Slip Mechanism to Control Stereo-Conformation," Journal Of Organometallic Chemistry, 2008, 693, 2415-2423.  DOI: 10.1016/j.jorganchem.2008.04.021.
  53. Sathyajith Ravindran, G. T. Senthil Andavan, Chunglin Tsai,  Cengiz S. Ozkan,* and T. Keith Hollis* "Perforated Organometallic (POM) Nanotubes Prepared from a Rh N-Heterocyclic Carbene using a Porous Anodized Alumina Membrane (PAAM)," Chemical Communications, 2006, 1616.
  55. Yi Joon Ahn, Ramel J. Rubio, T. Keith Hollis,*  Fook S. Tham, Bruno Donnadieu "Slip- Inversion-Slip Mechanism of Phosphametallocene Isomerization. Spectroscopic Characterization of an η1-Phospholyl Ti Complex.  Synthesis and Structures of Chiral Monophospholyltitanium Complexes," Organometallics, Organometallics, 2006, 25, 1079- 1083.
  57. Gurusamy Thangavelu Senthil Andavan, Eike B.  Bauer, Christopher S.  Letko, T. Keith Hollis,* Fook S.  Tham "Synthesis and Characterization of a Free Phenylene Bis(N- Heterocyclic Carbene) and its di-Rh complex.   Catalytic Activity of the di-Rh and CCC-NHC Rh Pincer complexes in Intermolecular Hydrosilylation of Alkynes," Journal of Organometallic Chemistry, 2005, 690, 5938-5947.
  59. Ramel J. Rubio, Gurusamy Thangavelu Senthil Andavan, Eike B. Bauer, T. Keith Hollis,* Joon Cho, Fook S. Tham, Bruno Donnadieu "Toward a General Method for CCC N- Heterocyclic Carbene Pincer Synthesis: Metallation and Transmetallation Strategies for Concurrent Activation of Three C-H Bonds," Journal of Organometallic Chemistry, 2005, 690, 5353-5364, http://dx.doi.org/10.1016/j.jorganchem.2005.05.007.
  61. Victor C. Vargas, Ramel J. Rubio, T. Keith Hollis, Martha E. Salcido "An Efficient Route to 1,3-Di-N-Imidazolylbenzene. A Comparison of Monodentate vs. Bidentate Carbenes in Pd Catalyzed Cross Coupling," Org. Lett. 2003,5, 4847-4849.
  63. T. Keith Hollis, Yi Joon Ahn, Fook S. Tham, "Low-Valent Titanium Bis(phospholyl) Chemistry: A Configurationally Stable Chiral Phosphatitanocene," Organometallics 2003, 22, 1432-1436. Li-Sheng Wang, T. Keith Hollis "Demonstration of a Phosphazirconocene as a Catalyst for the Ring Opening of Epoxides with TMSCl," Org. Lett. 2003, 5, 2543-2545.
  65. T. Keith Hollis, Yi Joon Ahn, Fook S. Tham, "The First Structural Characterization and Determination of the Isomerization Activation Parameters of a Chiral Phosphatitanocene," Chem. Commun. 2002, 2996-2997, http://dx.doi.org/10.1039/B208945A.
  67. T. Keith Hollis, Li-Sheng Wang, Fook Tham, "Dynamic Resolution of a Metallocene: Diastereoselective Assembly of an Early-Late Heterobimetallic Metal-Bridged ansa-Metallocene Opening a Route to Parallel Catalyst Synthesis." Journal of the American Chemical Society, 2000, 122, 11737 11738, http://dx.doi.org/10.1021/ja002411l.
  69. T. Keith Hollis & Larry E. Overman, "A Palladium Catalyzed Enantioselective Rearrangement of Allylic Imidates to Allylic Amides," in Perspectives in Organopalladium Chemistry for the XXI Century, J. Tsuji, Ed., Elsevier, New York, 1999, pp 290 - 299.
  71. T. Keith Hollis & Larry E. Overman, "A Palladium Catalyzed Enantioselective Rearrangement of Allylic Imidates to Allylic Amides," J. Organometallic Chemistry, 1999, 576, 290 - 299.
  73. T. Keith Hollis & Larry E. Overman, "A Cyclopalladated Amines as Enantioselective Catalysts for the Rearrangement of Allylic Imidates to Allylic Amides," Tetrahedron Letters 1997, 38, 8837-8840.

  74. Michael Calter, T. Keith Hollis, Larry E. Overman*, Joseph Ziller, G. Greg Zipp AFirst Enantioselective Catalyst for the Rearrangement of Allylic Imidates to Allylic Amides,"  J. Org. Chem. 1997, 62, 1449-1456.
  76. T. Keith Hollis, B. Bosnich "Homogeneous Catalysis. Mechanisms of the Catalytic Mukaiyama Aldol and Sakurai Allylation Reactions" J. Am. Chem. Soc.  1995, 117, 4570- 4581.
  78. Thompson N. Doman, T. Keith Hollis, B. Bosnich "Molecular Mechanics Force Field for Bent Metallocenes of the Type [M(Cp)2Cl2]" J. Am. Chem. Soc. 1995, 117, 1352-1368.
  80. T. Keith Hollis, Jeremy K. Burdett, B. Bosnich "Why are Bis(pentamethylcyclopentadienyl) Complexes, [MCp2], of Calcium, Strontium, Barium, Samarium, Europium, and Ytterbium Bent?"  Organometallics 1993, 12, 3385-3386.
  82. William W. Ellis, T. Keith Hollis, William Odenkirk, Robert Ostrander, John Whelan, Arnold L. Rheingold, B. Bosnich "Synthesis, Structure, and Properties of Chiral Titanium and Zirconium Complexes Bearing Biaryl Strapped Substituted Cyclpentadienyl Ligands" Organometallics 1993, 12, 4391-4401.
  84. T. Keith Hollis, N.P. Robinson, John Whelan, B. Bosnich  "Homogeneous Catalysis.  Use of the [Ti(Cp)2(CF3SO3)2] Catalyst for the Sakurai Reaction of Allylic Silanes with Orthoesters, Acetals, Ketals and Carbonyl Compounds"  Tetrahedron Letters 1993, 34, 4309-4312.
  86. T. Keith Hollis, William Odenkirk, N.P. Robinson, John Whelan, B. Bosnich "Homogeneous Catalysis. Transition Metal Lewis Acids Catalysts" Tetrahedron 1993, 49, 5415-5430.
  88. T. Keith Hollis, N.P. Robinson, B. Bosnich "Homogeneous Catalysis. [Ti(Cp)2(CF3SO3)2] and [Zr(Cp)2(CF3SO3)2THF], Fast and Efficient Catalysts for the Mukaiyama Cross-Aldol Reaction"  Tetrahedron Letters 1992, 33, 6423-6426.
  90. T. Keith Hollis, Arnold L. Rheingold, N.P. Robinson, John Whelan, B. Bosnich "Preparation and Properties of (S,S)-[Ti((R,R)-cyclacene)Cl2], a Chiral Strapped Bent Metallocene"  Organometallics 1992, 11, 2812-2816.
  92. T. Keith Hollis, N.P. Robinson, B. Bosnich "Homogeneous Catalysis. [Ti(Cp)2(CF3SO3)2] and [Zr(Cp)2(CF3SO3)2THF], Efficient Catalysts for the Diels-Alder Reaction" Organometallics 1992, 11, 2745-2748.
  94. T. Keith Hollis, N.P. Robinson, B. Bosnich "Homogeneous Catalysis. [Ti(Cp*)2(H2O)2]2+:  An Air-Stable, Water-Tolerant Diels-Alder Catalyst"  J. Am. Chem. Soc. 1992, 114, 5464-5466.