[139] Selectfluor-Mediated
Dialkoxylation of Tungsten η2-Pyridinium Complexes. Kosturko, G.
W.; Harrison, D. P.; Sabat, M.; Myers, W. H.; Harman, W. D. Organometallics 2009, 28, 387-389.
[138] Efficient Synthesis of an η2-Pyridine Complex and a Preliminary
Investigation of the Bound Heterocycle's Reactivity. Harrison,
D. P.; Welch, K. D.; Nichols-Nielander, A. C.; Sabat, M.; Myers, W. H.;
Harman, W. D. J. Am. Chem. Soc. 2008, 130, 16844-16845.
[137] Stereoselective Umpolung Tandem Addition of Heteroatoms to
Phenol. Todd, M. A.; Sabat, M.; Myers, W. H.; Smith, T. M.;
Harman, W. D. J. Am. Chem. Soc.
2008, 130, 6906-6907.
[136] Synthesis of 1-Oxadecalins from Anisole Promoted by Tungsten.
Lis, E. C.; Salomon, R. J.; Sabat, M.; Myers, W. H.; Harman, W. D. J. Am. Chem. Soc. 2008, 130, 12472-12476.
[135] Tungsten-Promoted Diels-Alder Cycloaddition of Pyridines:
Dearomatization of 2,6-Dimethoxypyridine Generates a Potent 2-Azadiene
Synthon. Kosturko, G. W.; Graham, P. M.; Myers, W. H.; Smith,
T. M.; Sabat, M.; Harman, W. D. Organometallics
2008, 27,
4513-4522.
 [134] Large-Scale Syntheses of Several Synthons to the
Dearomatization Agent {TpW(NO)(PMe3)} and Convenient Spectroscopic
Tools for Product Analysis Welch, K. D.; Harrison, D. P.; Lis, E. C., Jr.; Liu, W.;
Salomon, R. J.; Harman, W. D.; Myers, W. H. Organometallics 2007,
26, 2791-2794
[133] [2+2] Cycloaddition Reactions with a
Tungsten-Stabilized 2H-Phenol Todd, M. A.; Sabat, M.; Myers, W. H.; Harman, W. D. J. Am. Chem. Soc. 2007, 129, 11010-11011
[132] Facile Intermolecular Aryl-F Bond Cleavage in the
Presence of Aryl C-H Bonds: Is the η2-Arene
Intermediate Bypassed? Liu, W.; Welch, K.; Trindle, C. O.; Sabat, M.; Myers, W.
H.; Harman, W. D. Organometallics 2007,
26, 2589-2597
[131] Isomerization Dynamics and
Control of the η2/N
Equilibrium for Pyridine Complexes Delafuente,
D. A.; Kosturko, G. W.; Graham, P. M.; Harman, W. H.; Myers, W. H.;
Surendranath, Y.; Klet, R. C.; Welch, K. D.; Trindle, C. O.; Sabat, M.;
Harman, W. D. J.
Am. Chem. Soc. 2007, 129, 406-416
[130] Osmium(II)-, Rhenium(I)-, and Tungsten(0)-Promoted
Dipolar Cycloaddition Reactions with Pyrroles: Exploiting the
Azomethine Ylide Character of This Heterocycle Welch, K. D.; Smith, P. L.; Keller, A. P.; Myers, W. H.;
Sabat, M.; Harman, W. D. Organometallics
2006, 25, 5067-5075
[129] Common Electrophilic Addition Reactions at the Phenol
Ring: The Chemistry of TpW(NO)(PMe3)(η2-phenol) Todd, M. A.; Grachan, M. L.; Sabat, M.; Myers, W. H.;
Harman, W. D. Organometallics 2006,
25, 3948-3954
[128] Tungsten-Promoted Dearomatization
of Heterocycles: Uncovering the Latent 2-Azadiene Character of
Pyrimidines Surendranath, Y.; Welch, K. D.; Nash, B. W.; Harman, W.
H.; Myers, W. H.; Harman, W. D. Organometallics
2006, 25, 5852-5853
[127] The role of electrochemistry in the development of π-Basic
Tungsten dearomatization agents Surendranath, Y.; Harman, W. D. Dalton
Transactions, 2006, 3957-3965
[126] The Uncommon Reactivity of Dihapto-Coordinated Nitrile,
Ketone, and Alkene Ligands When Bound to a Powerful π-Base
Lis, E. C.,
Jr.; Delafuente, D. A.; Lin, Y.; Mocella, C. J.; Todd, M. A.; Liu, W.;
Sabat, M.; Myers, W. H.; Harman, W. D. Organometallics 2006,
25, 435-439
[125] Development of Group 6 Dearomatization Agents Ha, Y.; Dilsky, S.; Graham, P. M.; Liu, W.; Reichart, T.
M.; Sabat, M.; Keane, J. M.; Harman, W. D. Organometallics, 2006,
25, 5184-5187
[124] Furan [3+2] Dipolar Cycloadditions Promoted by a π-Basic
Tungsten Metal Fragment Bassett, K.C.; You, F.; Graham, P.M.; Myers, W.H.;
Sabat, M.; Harman, W.D. Organometallics
2006, 25, 435-439
[123] A New Approach to Promoting Sluggish Diels-Alder
Reactions: Dihapto-Coordination of the Diene Liu, W.; You, F.;
Mocella, C. J.; Harman, W. D. J.
Am. Chem. Soc. 2006, 128, 1426-1427
[122] Tungsten(0)and Rhenium(I) η2-Pyrrole
Complexes: Dearomatization of Pyrroles and their Facile
Isomerizations, Protonations, and Reductions. Myers, W.H.;
Welch, K.D.; Graham, P.M.; Keller, A. Sabat, M.; Trindle, C. O.;
Harman, W. D. Organometallics, 2005, 24,
5267
[121]
Facile
Diels-Alder Reactions with Pyridines Promoted by Tungsten
Graham, P. M.; Delafuente, D. A. Liu, W.;
Myers, W. H.; Sabat, M.; Harman W. D. J. Am. Chem. Soc. 2005;
127, 10568
[120]
Rhenium(I) Dihapto-Coordinated Furan Complexes: Converting Furan into a
1,3-Carbon Dipole You, F.;
Friedman, L. A.; Bassett, K. C.; Lin, Y.; Sabat, M. Harman, W. D.
Organometallics, 2005; 24, 2903.
[119] Charge donation to and dearomatization of
benzene attending complexation: DFT estimates of binding energies of
TpMXO(L) with benzene, for Tp = hydridotris(pyrazolyl) borate, MXO =
MoNO, ReCO, and WNO, and L = ammonia, N-methylimidazole, pyridine,
phosphine, methyl isocyanide, and carbon monoxide
Journal of Computational
Chemistry 2005, 26, 194-200.
[118] Tungsten(0) η2-Thiophene Complexes:
Dearomatization of Thiophene and Its Facile Oxidation, Protonation, and
Hydrogenation Delafuente, D. A.;
Myers, W. H.; Sabat, M.; Harman, W. D.; Organometallics; 2005;
24; 1876-1885
[117]
A New Generation of π-Basic
Dearomatization Agents,
Keane, J. M.; Harman, W. D.; Organometallics; 2005,
24; 1786-1798
[116] Dihapto-Coordinated Amide, Ester, and Aldehyde
Complexes and Their Role in Decarbonylation Graham, P. M.; Mocella, C. J.; Sabat, M.; Harman, W. D.;
Organometallics, 2005; 24; 911-919.
GO TOP
[115] Transition
Metal-Stabilized Arenium Cations: Protonation of Arenes
Dihapto-Coordinated to π-Basic
Metal Fragments Keane, J. M.; Chordia, M. D.; Mocella, C.
J.; Sabat, M.; Trindle, C. O.; Harman, W. D.; J. Am. Chem. Soc. 2004,
126, 6806-6815.
[114] Coordination
Chemistry and Properties of Unusually π-Basic
Molybdenum Fragments Mocella, C. J.; Delafuente, D. A.; Keane,
J. M.; Warner, G. R.; Friedman, L. A.; Sabat, M.; Harman, W. D.; Organomet.
2004, 23; 3772-3779.
[113]
Conformational and Linkage Isomerizations for Dihapto-coordinated
Arenes and Aromatic Heterocycles: Controlling the Stereochemistry of
Ligand Transformations Harman, W. D., Coord. Chem. Rev.
2004, 248, 853-866.
[112] The
Dearomatization of Arenes By Dihapto-Coordination Harman, W. D. in
Topics in Organometallic Chemistry, vol 7, Transition Metal Arene p
Complexes in Organic Synthesis and Catalysis, Kündig, E.
P. Ed., Springer: Berlin 2004.
[111] Michael
Addition Reactions with Dihapto-Coordinated Anisoles: Controlling the
Stereochemistry of the Para and Benzylic Carbons. Smith, P. L. ; Keane, J. M.;
Shankman, S. E.; Chordia, M. ; Harman W. D. J. Am. Chem. Soc.
2004, 126(47), 15543-15551
[110] Stereoselective
Tandem 1,4-Addition Reactions for Benzenes: A Comparison of Os(II),
Re(I), and W(0) Systems Ding, F.;
and Harman, W. D. J. Am. Chem. Soc. 2004,
126(42); 13752-13756
[109] Solid-State
Induced Control of Kinetically Unstable Stereoisomers Keane, J. M. Ding, F.; Sabat, M.; Harman, W. D. J.
Am. Chem. Soc. 2004, 126, 785.
[108]
Diastereo- and Enantioselective Dearomatization of Rhenium-Bound
Naphthalenes Ding, F.; Valahovic, M. T.; Keane, J. M.;
Anstey, M. R.; Sabat, M.; Trindle, C. O.; Harman, W. D.; J. Org.
Chem. 2004, 69(7), 2257-2267.
GO TOP
[107] Dearomatization
of Benzene, Deamidization of N,N-Dimethylformamide, and a Versatile New
Tungsten π Base Graham, P. M.;
Meiere, S. H.; Sabat, M.; Harman, W. D. Organometallics 2003,
22, 4364.
[106]
Formation of o-Quinone Methides from Dihapto-Coordinated Phenols and
Their Controlled Release from a Transition Metal to Generate Chromans Stokes,
S. M.; Ding, F.; Smith, P. L. ; Keane, J. M. ; Kopach, M. E.; Jervis,
R. Sabat, M.; Harman, W. D. Organometallics 2003,
22, 4170.
[105] Stereoselective
Aldehyde Addition to Rhenium-Coordinated Furans Schiffler, M.
A.; Friedman, L. A.; Brooks, B. C.; Sabat, M.; Harman, W. D. Organometallics2003,
22, 4966.
[104] Computational
Study of Methane Activation by TpRe(CO)2 and CpRe(CO)2
with a Stereoelectronic Comparison of Cyclopentadienyl and Scorpionate
Ligands Bergman, R. G.; Cundari, T.
R.; Gillespie, A. M.; Gunnoe, T. B.; Harman, W. D.; Klinckman, T. R.;
Temple, M. D.; White, D. P.; Organometallics 2003,
22 (11), 2331.
[103] In Vitro
Metabolism of Tolcapone to Reactive Intermediates: Relevance to
Tolcapone Liver Toxicity Smith, K. S.; Smith, P. L.; Heady,
T. N.; Trugman, J. M.; Harman, W. D.; Macdonald, T. L.; Chem. Res.
Toxicol.; 2003, 16, 123.
[102] Computational
Modeling of Complexes of Pentaammineosmium(II) with Aromatic Ligands,
Trindle, C.; Sacks, G.; Harman, W. D. Int. J. Qunat. Chem. 2003,
92, 457.
[101] Rhenium
Promoted Diastereo- and Enantioselective Cyclopentannulation Reactions:
Furans as 1,3-Propene Dipoles Friedman, L. A.; You, F.; Sabat,
M.; Harman, W. D. J. Am. Chem. Soc. 2003,
125, 14980.
[100] Binding and
Activation of Aromatic Molecules by a Molybdenum π-Base
Meiere, S. H.; Keane, J. M.; Gunnoe, T. B.; Sabat, M. Harman W. D. J.
Am. Chem. Soc. 2003 125, 2024.
[99] Discrimination
of Enantiofaces and Stereoselective Electrophilic Addition Reactions
for η2
-Pyrrole Complexes
Valahovic, M. T.; Myers, W. H.; Harman, W. D. Organometallics
2002, 21, 4581
[98]
Cycloaddition Reactions of Dihapto-Coordinated Furans, Friedman,
L. A.; Sabat, M. S.; Harman, W. D. J. Am. Chem. Soc. 2002,
124, 7395.
[97] Tandem
1,4-Addition Reactions with Benzene and Alkylated Benzenes Promoted by
Pentaamineosmium(II) Ding, F.; Kopach, M. E.; Sabat, M.
Harman, W. D. J. Am. Chem. Soc. 2002, 124,
13080.
[96] Ligand-Modulated
Stereo- and Regioselective Tandem Addition Reactions of Rhenium-Bound
Naphthalene Valahovic, M. T.; Gunnoe, T. B.; Sabat, M. ;
Harman, W. D. J. Am. Chem. Soc. 2002, 124,
3309.
[95] A Strategy
for the Resolution of a Chiral Dearomatization Agent:
{TpRe(CO)(1-methylimidazole)} Coordination of ?-Pinene (Tp =
hydridotris(pyrazolyl)borate) Meiere, S. H. Valahovic, M. T.
and Harman, W. D. J. Am. Chem. Soc. 2002,
124, 15099.
[94] Evaluation of
Muscarinic Agonist-Induced Analgesia in Muscarinic Acetylcholine
Receptor Knockout Mice Duttaroy, A.; Gomeza, J.; Gan, J.;
Basile, A. S.; Harman, W. D.; Smith, P. L.; Felder,C. C.; Levey, A. I.;
Wess, J. Mol. Pharmacol. 2002 62,
1084.
GO TOP
[93] TpRe(L)(Br)2 (Tp =
hydridotris(pyrazolyl)borate); L = tBuNC, PMe3,
pyridine (py), 1-methylimidazole (MeIm) Electronic Encyclopedia of
Reagents for Organic Synthesis, 2002.
[92]
Pentaammine(triflato)osmium(III)triflate Electronic Encyclopedia of
Reagents for Organic Synthesis, 2002.
[91] Dihapto
Coordination of Carboxylic Acid Derivatives with an Asymmetric Rhenium π-Base: A New Mechanism for Amide Isomerization?
Meiere, S. H.; Ding, F. ; Friedman, L. A. Sabat, M.; Harman W. D. J.
Am. Chem. Soc. 2002, 124, 13506.
[90] A Facile
Diels-Alder Reaction with Benzene: Synthesis of the
Bicyclo[2.2.2]octene Skeleton Promoted by Rhenium Chordia, M.
D.; Smith, P.L.; Meiere, S. H., Sabat, M; Harman, W. D. J. Am.
Chem. Soc. 2001 123, 10756.
[89] Synthetic
Applications of the Dearomatization Agent Pentaammineosmium(II) Smith,
P. L.; Chordia, M. D.; Harman, W. D. Tetrahedron 2001,
57, 8203.
[88] Binding
Selectivity of Dihapto-Coordinated Olefins, Ketones, and Aldehydes
Utilizing the Asymmetric π-Basic Metal
Fragment {TpRe(CO)(1-methylimidazole)} (Tp =
hydridotris(pyrazolyl)borate) Meiere, S. H.; Harman, W. D. Organometallics
2001, 20, 3876.
[86] Methanol
Addition to Dihapto Coordinated Rhenium Complexes of Furan
Friedman, L. A.; Harman, W. D. J. Am. Chem. Soc 2001,
123, 8967.
[85] Dihapto
Coordination of Aromatic Molecules by the Asymmetric π-Bases {TpRe(CO)(L)} Meiere, S. H.;
Brooks, B. C. Gunnoe, T. B.; Carrig, E. H.; Sabat, M. Harman, W. D. Organometallics
2001, 20, 3661.
[84] Ethene Rotation in Chiral Octahedral Rhenium(I)
Complexes Friedman, L. A.; Brooks, B. C.; Meiere S. H.;
Harman, W. D. Inorg Chem. 2001, 20, 1699.
[83] The
Inter- and Intrafacial Linkage Isomerizations of Rhenium Complexes with
Aromatic Molecules. Brooks, B. C.; Meiere, S. H.; Friedman, L.
A.; Gunnoe, T. B.; Carrig, E.; Harman, W. D. J. Am. Chem. Soc.
2001, 123, 3541.
[82] A
Promising New Dearomatization Agent: Crystal Structure, Synthesis, and
Reactions of the Versatile Complex TpRe(CO)(1-methylimidazole)(η2-benzene)
Scott H. Meiere, Benjamin C. Brooks, T. Brent Gunnoe, Michal Sabat, and
W. Dean Harman Organometallics, 2001,
20, 1038.
[81] Dihapto Binding of Aromatic Molecules by π-Basic Transition Metal Complexes: Development
of Alternatives to the {Os(NH3)5}2+ Fragment, Brooks, B. C.;
Gunnoe, T. B.; Harman W. D. Coord.Chem. Rev., 2000,
206, 3.
[80] Novel
Cyclization Reactions for η2-Furan Complexes, Chen, H.; Caughey,
R.; Liu, R. McMills, M.; Rupp, M.; Myers, W. H.; Harman, W. D. Tetraherdron
, 2000, 56, 2313.
[79] A
Comparison of the Relative Electron Donating Abilities of
Hydridotris(pyrazolyl)borate and Cyclopentadienyl Ligands: Different
Interactions with Different Transition Metals Tellers, D. M.;
Skoog, S. J.; Bergman, R. G.; Gunnoe, T. B.; Harman, W. D.
Organometallics 2000, 19, 2428.
[78]
{TpRe(bpy)}: A Novel Pentaaminerhenium System That
Stabalizes Both High and Low Oxidation States (Tp =
Hydridotris(pyrazolyl)borate; bpy =2,2'-dipyridyl), Gunnoe,
T. B.; Meiere, S. H.; Sabat, M. Harman, W. D. Inorg. Chem 2000,
39, 6127.
GO TOP
[77] Asymmetric
Dearomatization of η2-Arene Complexes: Synthesis of
Stereodefined Functionalized Cyclohexenones and Cyclohexenes. Chordia
M. D.; Harman, W. D. J. Am. Chem. Soc. 2000,
122, 2725.
[76] Dearomatization
of Naphthalene: Novel Stereoselective Cyclization Reactions Promoted by
Osmium(II). Winemiller M. D. ; Harman W. D. J. Org. Chem.
2000, 65,1249.
[75] Stereoselective Dihapto-Binding of Prochiral
Aromatic Compounds by {TpRe(CO)(PMe3)}: Synthesis,
Characterization, Stability, and Enantiofacial Discrimination (Tp =
hydrido(tris)pyrazolylborate)
Gunnoe, T. B.; Sabat, M.;
Harman, W. D. Organometallics 2000 19,
728-740.
[74] Enantiofacial
Discrimination in Dihapto-Coordination of Aromatic Molecules by the
Chiral π-Base/σ-Lewis
Acid TpRe(CO)(PMe3) Gunnoe, T. B. ; Sabat, M. ;
Harman, W. D. J. Am. Chem. Soc. 1999, 121,
6499.
[73] Development
of Muscarinic Analgesics Derived from Epibatidine: Role of the M4
Receptor Subtype Ellis, J. L.; Harman, W. D.; Gonzalez, J.;
Spera, M. L.; Liu, R.; Shen, T. Y.; Wypij, D. M.; Zuo, F. J. Pharmacol.
Exp. Ther. 1999, 288, 1143.
[72] Electrophilic
Additions to η2-Thiophene
Complexes: Synthesis of Novel Thiophenium and Thiafulvenium Species
Spera, M. L.; Harman, W. D. Organometallics, 1999,
18, 2988.
[71]
Osmium-Mediated Electrophilic Addition Reactions with
Selenophene and the Activation of the Se-C bond. Spera, M. L.;
Harman, W. D. Organometallics, 1999, 18,
1559.
[70] Rhenium(I) Terpyridine π-Bases:
Reversible η2-Coordination of Ketones, Aldehydes and Olefins
in the Terpyridine Plane Helberg, L. E.; Gunnoe, T. B.;
Brooks, B. C.; Sabat, M.; Harman, W. D. Organometallics,1999,
18, 573
[69] The
Activation and Manipulation of Pyrroles by Pentaammineosmium(II) Hodges, L. M. Harman, W. D. in Adv. in Nitrogen
Heterocycles, Moody, C. J. ed.; JAI
Press: Stamford, 1998, Vol 3, pp. 1-44.
[68] Reactions
of TpRe(CO)2(THF) with Aromatic Molecules Gunnoe,
T. B.; Sabat, M.; Harman, W. D., J. Am. Chem. Soc. 1998,
120, 8747.
[67] The
Asymmetric π-bases fac-{Re(dien)(PPh3)(PF3)}+
and fac-{Re(dien)(PPh3)CO)}+: Evidence for
Formation of an η2-Furan Complex Brooks, B. C.;
Chin, M; Harman, W. D. Organometallics 1998,
17, 4716.
[66] Dearomatization
of Naphthalene: Stereoselective cis-1,4 Tandem Additions Promoted by
Osmium(II) Winemiller, M. D.; Harman W. D. J. Am. Chem.
Soc. 1998, 120, 7835.
[65] Asymmetric
Induction in η2-Arene Complexes of Pentaammineosmium(II)
Chordia, M. D.; Harman, W. D. J. Am. Chem. Soc. 1998,
120, 5637.
[64] Activation
of Benzylic Carbons of η2-Arene Complexes: Osmium Promoted
Michael-Aldol Cyclization Reactions of 3-Alkylated Anisoles that Form
Functionalized Decalins, Kolis, S. P.; Kopach, M. E.; Liu, R.;
Harman W. D. J. Am. Chem. Soc. 1998, 120,
6205.
[63] Stereodefined
Tandem Addition Reactions of η2-Arenes: A Versatile Route to
Functionalized Cyclohexenes, Kopach, M. E.; Kolis, S. P.; Liu,
R.; Robertson, J. W.; Chordia, M. D.; Harman, W. D. J. Am. Chem.
Soc. 1998, 120, 6199.
[62] Dearomatization
of Furan: Elementary Transformations of η2-Coordinated Furan
Complexes of Pentaammineosmium(II). Chen, H.; Liu, R.; Myers,
W. H.; Harman, W. D. J. Am. Chem. Soc. 1998,
120, 509.
GO TOP
[61] Activation
of Styrenes Towards Diels-Alder Cycloadditions by Osmium(II): Synthesis
of Stereodefined Decalin Ring Systems, Kolis, S. P.; Chordia,
M. D.; Liu, R. Kopach, M. E.; Harman, W. D. J. Am. Chem . Soc.
1998, 120, 2218.
[60] Reversible ß-Hydride
Elimination of Amine Ligands Forming Stable cis-η2-Iminium
Hydride OsII Complexes Orth, S. D.; Barrera, J.;
Rowe, S. M.; Helberg, L. E. Harman, W. D. Inorganica Chimica Acta
1998, 270, 337.
[59] Electrophilic
Addition to η2-Aldehyde Complexes of Pentaammineosmium(II):
The Formation of Fischer Carbyne Complexes via η2-Aldehydium
IntermediatesSpera, M. L.; Chen, H.; Moody, M. W. Hill, M.M.;
Harman, W. D.J. Am. Chem. Soc. 1997,119,1277
[58] A
Proposed Mechanism for p-Aminochlonidine Allergenicity Based on its
Relative Oxidative Lability Thompson, C. D.; Vachaspati, P.
R.; Kolis, S. P.; Gulden, P. H.; Garst, M. E.; Wiese, A.; Munk, S. A.;
Harman, W. D.; MacDonald, T. L. Chem. Res. Toxicol., 1997,
10, 1032.
[57] The
Characterization and Isomerization of η2-Naphthalene and η2-Phenanthrene
Complexes of Pentaammineosmium(II) Winemiller, M. D.; Kelsch,
B. A.; Sabat, M.; Harman, W. D. Organometallics 1997,
16, 3672.
[56] Electrophile-Promoted
Carbon-Sulfur Bond Cleavage in η2-Thiophene Complexes of
Pentaammineosmium(II) Spera, M. L.; Harman, W. D. , J. Am.
Chem. Soc. 1997, 119, 8843.
[55] Osmium(II)
Dearomatization Agents in Organic Synthesis, Harman, W. D. in
Electron Transfer Reactions, Isied, S. Editor. pp 39-60. American
Chemical Society, 1997.
[54] The
Activation of Aromatic Molecules with Pentaammineosmium(II)
Harman, W. D. Chem. Rev. 1997, 97, 1953.
[53] The
Preparation of Rhenium(I) and Rhenium(II)-Amine Dinitrogen Complexes
and the Characterization of a Stretched Dihydrogen Species. Chin,
R. M.; Dubois, R. H.; Helberg, L. E. Sabat, M.; Bartucz, T. Y.; Lough,
A. J. ; Morris, R. M.; Harman, W. D. Inorg. Chem. 1997,
36, 3553.
[52] The
Protonation of Unactivated Aromatic Hydrocarbons on Osmium(II):
Stabilization of Arenium Cations via Unprecedented η2 and η3
Coordination. Winemiller, M. D.; Kopach, M. E.; Harman,
W. D. J. Am. Chem Soc. 1997, 119, 2096.
[51] Osmium
Promoted Electrophilic Substitution of Anisoles: A Versatile New Method
for the Incorporation of Carbon Substituents. Kolis, S.
P.; Kopach, M. E.; Liu, R.; Harman, W. D. J. Org. Chem 1997,
62, 130.
[50]
Sequential Electrophile/Nucleophile Additions for η2-Cyclopentadiene
Complexes of Osmium(II), Ruthenium(II), and Rhenium(I).
Spera, M. L.; Chin, R. M.; Winemiller, M. D.;Lopez, K.; Sabat, M.;
Harman, W. D. Organometallics 1996, 15,
5447.
[49] The
Coordination Chemistry of Low-Valent Rhenium Polypyridyl Complexes:
Synthesis, Reactivity and Electrochemistry Helberg, L.E.;
Orth, S. D.; Sabat, M.; Harman, W. D. Inorganic Chem., 1996,
35, 5584.
[48] The Synthesis
of η2-ß-Vinylpyrrole
Complexes and Their Conversion to Highly Substituted Indoles.
Hodges, L. M.; Spera, M. L.; Moody, M.; Harman, W. D. J. Am. Chem.
Soc. 1996, 118, 7117.
[47] Dissociative
Nucleophilic Substitution of η2-Olefin Complexes via a Novel
η2-Vinyl Cation Intermediate Chen, H. C.; Harman,
W. D. J. Am. Chem. Soc. 1996, 118, 5672.
[46] Dearomatization
of Anilines by Coordination to Pentaammineosmium(II) Kolis, S.
P.; Gonzalez, J.; Bright, L. M.; Harman, W. D. Organometallics,
1996, 15, 245.
GO TOP
[45] Rhenium(I)
Coordination Chemistry: The Synthesis, Reactivity and Electrochemistry
of Terpyridyl Complexes Helberg, L. E.; Barrera, J.; Sabat,
M.; Harman, W. D. Inorg. Chem. 1995, 34,
2033.
[44] η2-Thiophene
Complexes of Pentaammineosmium(II) and their Reversible Protonation to
Form η2-2H-Thiophinium Species. Spera, M. L.;
Harman, W. D. Organometallics, 1995, 14,
1559.
[43] Photochemistry
of a Structurally Uncomplicated Phenylcarbyne Complex Trammell,
S.; Sullivan, B. P.; Hodges, L. M.; Harman, W. D.; Thorp, H. H.; Smith,
S. R. Inorg. Chem. 1995, 34, 2791.
[42] The
Aldol Reaction for 2,3-η2-Furan Complexes of Osmium(II):
Cyclization Across C(2) and C(4) To Form a New Heterocycle.
Liu, R.; Chen, H.; Harman, W. D. Organometallics 1995,
14, 2861.
[41] ß-Electrophilic Additions of
Pentaammineosmium(II) η2-Pyrrole Complexes Hodges,
L. M. Gonzalez, J.; Koontz, J. I. Myers, W. H., Harman, W. D. J.
Org. Chem. 1995, 60, 2125.
[40] Osmium-Promoted
Dipolar Cycloadditions with Pyrroles: An Efficient Stereoselective
Synthesis of 7-Azanorbornanes. Gonzalez, J.; Koontz, J. I.;
Myers, W. H.; Hodges, L. M.; Sabat, M.; Nilsson, K. R.; Neely, L. K.;
Harman, W. D. J. Am. Chem. Soc, 1995, 117,
3405.
[39] The
Osmium-Promoted [4+2] Cycloaddition Reaction of Anisole and
Characterization of the η2-4H-Anisolium Intermediate.
Kopach, M. E.; Harman, W. D. J. Org. Chem. 1994,
59, 6506
[38] Extension
of the Preparation of New Osmium Species to the cis-Tetraammine Moiety
Li, Z., Harman, W. D. Lay, P. A. Taube, H. Inorg. Chem. 1994,
33, 3635.
[37] Dearomatization
of an η2 Furan Complex and a Survey of its Reactivity.
Chen, H.; Hodges, L. M.; Liu, R. Stevens, W. C.; Sabat, M.; Harman, W.
D. J. Am. Chem. Soc. 1994, 116, 5499.
[36] A
Versatile Synthon for the Preparation of Chiral Rhenium(I)-Amine
Complexes and the Synthesis of an η2 Benzaldehyde Species.
Orth, S. D.; Barrera, J.; Sabat, M.; Harman, W. D. Inorg. Chem.
1994, 33, 3026.
[35] A
2-Azafulvinium and 3-Vinylpyrrole Complex of Osmium(II) from an η2-Pyrrole
and its Efficient Conversion into a Highly Substituted Indole.
Hodges, L. M.; Moody, M.; Harman, W. D. J. Am. Chem. Soc. 1994,
116, 7931.
[34] Novel
Michael Additions to Phenols Promoted by Osmium(II): Convenient
Stereoselective Syntheses of 2,4- and 2,5-Cyclohexadienones.
Kopach, M. E.; Harman, W. D. J. Am. Chem. Soc. 1994,
116, 6581.
[33] η2-Nitrile
and Alkyne Complexes of Tungsten(II) and Their Comparison to η2-Alkynes.
Barrera, J. Sabat, M. Harman, W. D. Organometallics, 1993,
12, 4381.
[32 η2-Pyrrole
Complexes as Synthons to Alkaloid Derivatives. Hodges, L. M.;
Koontz, J. I.; Gonzalez, J.; Myers, W. H.; Harman, W. D. J. Org.
Chem. 1993, 58, 4788.
[31] A
Novel Dearomatization of Anilines via Complexation to
Pentaammineosmium(II): Synthesis of Highly Functionalized
3-Aminocyclohexenes from Anilines. Gonzalez, J.; Sabat, M.;
Harman, W. D. J. Am. Chem. Soc. 1993, 115,
8857.
[30] The
Direct 10ß-Alkylation
of ß-Estradiol: Osmium(II) as a
Dearomatization Agent. Kopach. M. E.; Kelsh, L. P. Stork, K.;
Harman, W. D. J. Am. Chem. Soc. 1993, 115,
5322.
GO TOP
[29] Stability of Pentaammineosmium(II) in Aqueous
Solution. Call, J. T.; Hughes, K. A.; Harman, W. D.; Finn, M.
G. Inorg. Chem. 1993, 32, 2123.
[28] Coordination
Compounds of Pentaaminerhenium. Orth, S. D.; Barrera, J;
Sabat, M; Harman, W. D. Inorg. Chem, 1993,
32 , 594.
[27] Carbynes
and Carbenes in Coordination Chemistry: A New Class of Pentaammine and
Tetraammine Complexes of Os(II). Hodges, L. M.; Sabat, M;
Harman, W. D. Inorg. Chem. 1993, 32, 371.
[26] ß-Hydride Elimination for an Amine Ligand
and the Microscopic Reverse: The First Report of a cis-Iminium Hydride
in Equilibrium with its Amine Precursor. Barrera, J.; Orth, S.
D.; Harman, W. D.J. Am. Chem. Soc.1992, 114,
7316.
[25]
Tautomerizations,
Protonations and Electrophilic Additions of η2-Coordinated
Pyrroles Myers, W. H. Koontz, J. I.; Harman, W. D. J.
Am. Chem. Soc. 1992, 114, 5684.
[24] The
Phenol-Cyclohexadienone Equilibrium for Dihapto-Coordinated Arenes.
Kopach, M. E.; Harman, W. D.; Hipple, W. G. J. Am. Chem. Soc.1992,114,
1737.
[23] Electrophilic Substitutions on
Dihapto-Coordinated Arenes: an Unprecedented Michael Addition for
Phenol and Aniline Kopach, M. E.; Gonzalez, J.; Harman, W. D. J.
Am. Chem. Soc. 1991, 113, 8972.
[22]
Recent Advances in Osmium Chemistry; Harman,
W. D.; Lay P. A. in Advances in Inorganic Chemistry, Academic Press,
Inc: San Diego. v.37, 1991, 113, 8972.
[21] Crystal
Structure of an η2-Acetonitrile Complex of W(II):
Acetonitrile as a Four-Electron Donor. Barrera, J.; Sabat, M.;
Harman, W. D. J. Am. Chem. Soc. 1991, 113,
8178.
[20] Enamine
Character of a 2,3-η2 Coordinated Pyrrole; Myers,
W. H.; Sabat, M.; Harman, W. D. J. Am. Chem. Soc., 1991,
113, 6682.
[19] Allyl
Complexes of Pentaammineosmium; Harman, W. D.; Hasegawa, T.;
Taube, H. Inorg. Chem. 1991, 113, 453.
[18] Isostructural
η2-Dihydrogen Complexes [Os(NH3)5(H2)]n+
(n=2,3) and the Reduction of Acetone. Harman, W. D.; Taube, H.
J. Am. Chem. Soc., 1990, 112, 2261.
[17] Crystal
Structure and Pyrolysis of [(Os(NH3)5)2-(η2:η2-μ-C6H6))]4+:
Evidence for the Formation of a Stable η2:η6-μ-Arene
Complex. Harman, W. D.; Gephart, M.; Taube, H., Inorg.
Chem., 1990, 29, 567.
[16] Regio-
and Stereospecific Selective Hydrogenation of Dihapto Arene Complexes.
Harman, W. D. ; Taube, H., J. Am. Chem. Soc., 1990,
112, 2682.
GO TOP
[15] π-Heterocyclic
Complexes of Pentaammineosmium(II) and the Metal-Induced Cycloaddition
of Pyrrole and Maleic Anhydride. Cordone, R.; Harman, W. D.;
Taube, H. J. Am. Chem. Soc., 1989, 111,
5969.
[14] Arene
«Alkyne Linkage Isomerizations
of Diphenylacetylene on Pentaammineosmium(II). Harman, W. D.;
Wishart, J. F.; Taube, H., Inorg. Chem., 1989,
28, 2411
[13] Carbon-Hydrogen
Bond Activation in Novel η2-Bound Cationic Heterocycle
Complexes of Pentaammineosmium(II). Cordone, R.; Harman, W.
D.; Taube, H. J. Am. Chem. Soc., 1989, 111,
2896.
[12] Alkyne
Addition Reactions on Pentaammineosmium(II): The Formation of π-Enol and π-Vinyl
Ether Complexes. Harman, W. D.; Dobson, J. C.; Taube, H., J.
Am. Chem. Soc. 1989, 111, 3061.
[11] The Selective Hydrogenation of Benzene to
Cyclohexene on Pentaammineosmium(II). Harman, W. D.; Taube, H.J.
Am. Chem. Soc., 1988, 110, 7906.
[10] π-Localization of Aromatic Ligands: Formation of
Mixed-Metal η2:η2-μ-Arene Complexes of
Ruthenium(II) and Osmium(II) Ammines. Harman, W. D.; Taube, H.
J. Am. Chem. Soc., 1988, 110, 7555.
[9] Nitrile
Complexes of Pentaammineosmium(II) and (III). Sekine, M.;
Harman, W. D.; Taube, H. Inorg. Chem.1988,
27, 3604.
[8] The
Redox Catalyzed Condensation of Hexaammineosmium(II) with Acetone.
Harman, W. D.; Taube, H. Inorg. Chem., 1988,
27, 3261.
[7] Redox
Coupled Linkage Isomerizations with η2-Coordinated Anilines.
Harman, W. D.; Taube, H. J. Am. Chem. Soc., 1988,
110, 5403.
[6] Substituent
Effects on η2-Coordinated Arene Complexes of
Pentaammineosmium(II). Harman, W. D.; Sekine, M.; Taube, H.
J. Am. Chem. Soc., 1988, 110, 5725.
[5] Redox
Promoted Linkage Isomerizations of Aldehydes and Ketones on
Pentaammineosmium. Harman, W. D.; Sekine, M.; Taube, H. J.
Am. Chem. Soc., 1988, 110, 2439.
[4] Synthesis
of [Os(NH3)5(η2-TMB)]2+: A
Valuable Precursor for Pentaammineosmium(II) Chemistry.
Harman, W. D.; Taube, H. Inorg. Chem. 1987,
26, 2917.
[3] Higher
Oxidation State Chemistry of Osmocene: Dimeric Nature of the Osmocenium
Ion. Droege, M. W.; Harman, W. D., Taube, H. Inorg. Chem.
1987, 26, 1309.
[2] The
Reactivity of Pentaammineosmium(II) with Benzene. Harman, W.
D.; Taube, H. J. Am. Chem. Soc.,1987, 109,
1883.
[1] Synthesis,
Characterization, and Reactivity of the (η2-Acetone)Pentaammine-osmium(II)
Complex. Harman, W. D.; Fairlie, D. P.; Taube, H. J. Am.
Chem. Soc., 1986, 108, 8223.
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