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Publications 1996-2000

  1. R.P. Hughes, A. S. Kowalski, J. R. Lomprey, and D. R. Neithamer
A New Synthesis of 1,5-Di-tert-butyl-1,3-cyclopentadiene by
Dehydration of an Epoxide, and Characterization of its
Diels-Alder Dimer.
J.Org. Chem., 1996, 61, 401.
  1. R.P. Hughes and H. A. Trujillo
Selective Solubility of Organometallic Complexes in Saturated
Fluorocarbons. Synthesis of Cyclopentadienyl Ligands
with Fluorinated Ponytails.
Organometallics, 1996, 15, 286.
  1. R.P. Hughes, J.R. Lomprey, A.L. Rheingold, and G.P.A. Yap
Molybdenum and Tungsten Complexes Containing the
1,2-Di-tert-Butylcyclopentadienyl Ligand.
J. Organomet. Chem., 1996, 517, 63.
  1. R.P. Hughes, J.R. Lomprey, A.L. Rheingold, B.S. Haggerty,
and G. P. A. Yap
Synthesis and Molecular Structures of Titanocene, Zirconocene,
and Uranocene Dichlorides Containing
1,2–Di–tert–Butylcyclopentadienyl Ligands.
J. Organomet. Chem., 1996, 517, 89.
  1. R.P. Hughes, D.C. Lindner, A.L. Rheingold, and G.P.A. Yap
Perfluorobenzyl Complexes of Cobalt and Rhodium.
Unusual Coupling Between Pentafluorophenyl and
Pentamethylcyclopentadienyl Rings.
Organometallics, 1996, 15, 5678.
  1. R.P. Hughes, T.L. Husebo, A.L. Rheingold, L.M. Liable-Sands,
and G.P.A. Yap
Ancillary Ligand Controlled Selectivity for Metal or
Cyclopentadienyl Ring Fluoroalkylation in Reactions of
Fluoroalkyl Iodides with Cyclopentadienyl–Rhodium Complexes.
Organometallics, 1997, 16, 5.
  1. D. E. Richardson, L. Lang, J. R. Eyler, S. R. Kircus, X. Zheng,
C. A.  Morse, and R. P. Hughes
Additivity of Fluorine Substituent Effects in
Ruthenocene Ionization Energetics.
Organometallics, 1997, 16, 149.
  1. R.P. Hughes, D.C. Lindner, A.L. Rheingold,  and G.P.A. Yap
Synthesis and Structure of the Thallium(I) Salt of the
[Tetrakis{3,5-bis(trifluoromethyl)phenyl}borate] Anion
Inorg. Chem., 1997, 36, 1726.
  1. R.P. Hughes, S.M. Maddock, A.L. Rheingold, and L.M. Liable-Sands
Selective Fluoroalkylation of Cyclopentadienyl and Ethylene
Ligands in Reactions of Perfluoroalkyl Iodides with
Low Valent Complexes of Molybdenum and Tungsten;
Evidence for a Fluorocarbanion Mechanism.
J. Am. Chem. Soc., 1997, 119, 5988
  1. R.P. Hughes, T.L. Husebo, B.J. Holliday, A.L. Rheingold,
and L.M. Liable-Sands
Fluoroalkylation of Cobalt Complexes:
Selective Reactions at the Metal or the Cyclopentadienyl Ring
J. Organomet. Chem., 1997, 548, 109.
  1. R.P. Hughes, T.L. Husebo, S.M. Maddock, A.L. Rheingold,
and I. A. Guzei
Thallium(I) Selectively Abstracts Fluoride from a
Tertiary Carbon–Fluorine Bond Under Conditions Where
Silver(I) Selectively Abstracts Iodide from Rhodium.
J. Am. Chem. Soc.,  1997, 119, 10231
  1. R.P. Hughes, D.C. Lindner, A.L. Rheingold, and L.M. Liable-Sands
Facile Activation of Carbon–Fluorine Bonds in Saturated
Fluoroalkyl Ligands by Coordinated Water in
Fluoroalkyl(Aqua) Complexes of Rhodium.
J. Am. Chem. Soc.,  1997, 119, 11544.
  1. D.L. Lichtenberger, Y. Elkadi, N.E. Gruhn, R.P. Hughes,
O.J. Curnow, and X. Zheng
Electronic Structure Perturbations of Substituted Ruthenocenes:
The First Photoelectron Spectra of Perchloro- and
Perfluorocyclopentadienyl Complexes
Organometallics,  1997, 16, 5209.
  1. R.P. Hughes and A.S. Kowalski
Flash Vacuum Thermolysis of η5-Oxocyclohexadienyl Complexes of
Ruthenium to Give η5-Cyclopentadienyl Ligands.
Organometallics, 1998, 17, 270.
  1. R.P. Hughes, X. Zheng, C.A. Morse, O.J. Curnow, J.R. Lomprey,
A.L. Rheingold, and G. P.A. Yap
Syntheses of the Complete Set of Isomerically Pure, Partially
Fluorinated Cyclopentadienyl Ligands (C5F5-nHn) [x = 1-4]
by Flash Vacuum Thermolysis of
η5-Oxocyclohexadienyl Ruthenium Complexes.
Molecular Structures of [Ru(η5-C5Me5)(η5-C5-1,2-F2H3)]
and [Ru(η5-C5Me5)(η5-C5H4F)]
Organometallics, 1998, 17, 457.
  1. R.P. Hughes, S.M. Maddock, A.L. Rheingold, and I.A. Guzei
Selective Conversion of an Ethylene to an Ethylidene Ligand
in Reactions of a Hydrido(Ethylene) Complex of Tantalum
with Iodofluorocarbons.
Molecular Structure of [Ta(η5-C5H5)2(η1-CHCH3)I].
Polyhedron, 1998, 17, 1037.
  1. V. Herrera, P.J.F. de Rege, I.T. Horváth, T.L. Husebo,
and R. P. Hughes
Tuning the Fluorous Partition Coefficients of Organometallic
Complexes. The Synthesis and Characterization of
[η5-C5H4CH2CH2(CF2)9CF3]Rh(CO)L (L = CO or P[CH2CH2(CF2)5CF3]3)
and Cl2Ni{ P[CH2CH2(CF2)5CF3]3}2
Inorg. Chem. Commun, 1998, 1, 197.
  1. R.P. Hughes and J.M. Smith
Hydrogenolysis of Aliphatic Carbon–Fluorine Bonds
in Fluoroalkyl-Iridium Complexes
to Give Hydrofluorocarbons.
J. Am. Chem. Soc., 1999, 121, 6084.
  1. R.P. Hughes,  H.A. Trujillo, J.W. Egan, Jr., and A.L. Rheingold
Skeletal Rearrangement During Rhodium Promoted Ring Opening of
1,2-Diphenyl-3-vinyl-1-cyclopropene. Preparation and
Characterization of 1,2- and 2,3-Diphenyl-3,4-Pentadienediyl
Rhodium Complexes and their Ring Closure to a
1,2-Diphenylcyclopentadienyl Complex.
Organometallics, 1999, 18, 2766.
  1. R.P. Hughes
Fluorine: Fascination, Frustration, Fulfillment.
Fluorine Chemistry at the Millennium: Fascinated by Fluorine,
Banks, R.E. (Ed), Elsevier, 2000, p. 618.
  1. R.P. Hughes, H.A. Trujillo, J.W. Egan, Jr., and A.L. Rheingold
Iridium Promoted Reactions of Carbon-Carbon Bonds.
Skeletal Rearrangement of a Vinylcyclopropene During
Iridacyclohexadiene Formation and Subsequent Isomerization of
Iridacyclohexadienes via α,α'–Substituent Migrations.
J. Am. Chem. Soc., 2000, 122, 2261.
  1. Russell P. Hughes, Jeremy M. Smith, Louise M. Liable-Sands,
Thomas E. Concolino, Kin-Chung Lam, Christopher Incarvito
and Arnold L. Rheingold.
Syntheses and X-ray crystallographic studies of
[Ir(η5-C5Me5)(L)(RF)I] (L = CO, PMe3; RF = CF2CF3, CF2CF2CF3,
CF2C6F5, CF(CF3)2) complexes. Cone and solid angle steric
parameters for perfluoroalkyl ligands.
J. Chem. Soc. Dalton Trans.  2000, 873.
  1. Mélanie D. Blanchard, Russell P. Hughes, Thomas Concolino,
and Arnold L. Rheingold.
π-Stacking Between Pentafluorophenyl and Phenyl Groups as a
Controlling Feature of Intra- and Intermolecular
Crystal Structure Motifs in Substituted Ferrocenes.
Observation of Unexpected Face-to-Face Stacking between
Pentafluorophenyl Rings.
Chemistry of Materials,  2000, 12, 1604.
  1. Russell P. Hughes, Jason S. Overby, Alex Williamson,
Kin-Chung Lam, Thomas E. Concolino, and Arnold L. Rheingold.
Synthesis, Molecular Structures, and Dynamics of Primary and
Secondary Fluoroalkyl Complexes of Palladium(II) with
Tetramethylethylenediamine (TMEDA) Ligands. Evaluation of the
Structural trans-Influences of Methyl and Fluoroalkyl Groups
as Ligands Within the Same Coordination Sphere.
Organometallics,  2000, 19, 5190.