Search Results - "HUFFMAN, John C."

Can terdentate 2,6-bis(1,2,3-triazol-4-yl)pyridines form stable coordination compounds? by Li, Yongjun, Huffman, John C, Flood, Amar H

“…The first structurally characterized examples of the 1,2,3-triazole motif employed in a terdentate ligand display enhanced steric freedom and a facile…”
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Evidence for the Existence of a Terminal Imidoscandium Compound: Intermolecular C----H Activation and Complexation Reactions with the Transient Sc==NAr Species by Scott, Jennifer, Basuli, Falguni, Fout, Alison R, Huffman, John C, Mindiola, Daniel J

“…Don't blink or you'll miss it: A transient imidoscandium complex (see scheme) can be generated by several routes. The imido ligand can activate the CH bond in…”
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Structural, Spectroscopic, and Theoretical Elucidation of a Redox-Active Pincer-Type Ancillary Applied in Catalysis by Adhikari, Debashis, Mossin, Susanne, Basuli, Falguni, Huffman, John C, Szilagyi, Robert K, Meyer, Karsten, Mindiola, Daniel J

“…Pincer-type ligands are believed to be very robust scaffolds that can support multifarious functionalities as well as highly reactive metal motifs applied in…”
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Intermolecular C−H Bond Activation Reactions Promoted by Transient Titanium Alkylidynes. Synthesis, Reactivity, Kinetic, and Theoretical Studies of the Ti⋮C Linkage by Bailey, Brad C, Fan, Hongjun, Huffman, John C, Baik, Mu-Hyun, Mindiola, Daniel J

“…The neopentylidene−neopentyl complex (PNP)TiCHtBu(CH2 tBu) (2; PNP- = N[2-P(CHMe2)2-4-methylphenyl]2), prepared from the precursor (PNP)TiCHtBu(OTf) (1) and…”
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Neutral and Zwitterionic Low-Coordinate Titanium Complexes Bearing the Terminal Phosphinidene Functionality. Structural, Spectroscopic, Theoretical, and Catalytic Studies Addressing the Ti−P Multiple Bond by Zhao, Guangyu, Basuli, Falguni, Kilgore, Uriah J, Fan, Hongjun, Aneetha, Halikhedkar, Huffman, John C, Wu, Gang, Mindiola, Daniel J

“…α-Hydrogen abstraction and α-hydrogen migration reactions yield novel titanium(IV) complexes bearing terminal phosphinidene ligands. Via an α-H migration…”
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Molecular Design of Single-Site Metal Alkoxide Catalyst Precursors for Ring-Opening Polymerization Reactions Leading to Polyoxygenates. 1. Polylactide Formation by Achiral and Chiral Magnesium and Zinc Alkoxides, (η3-L)MOR, Where L = Trispyrazolyl- and Trisindazolylborate Ligands by Chisholm, Malcolm H, Eilerts, Nancy W, Huffman, John C, Iyer, Suri S, Pacold, Martha, Phomphrai, Khamphee

“…Single-site achiral and chiral C 3-symmetric complexes LMOR, where M = Mg and Zn, L = an η3-trispyrazolyl- or η3-trisindazolyl-borate ligand and R = Et, tBu,…”
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Intermolecular C−H Bond Activation Promoted by a Titanium Alkylidyne by Bailey, Brad C, Fan, Hongjun, Baum, Erich W, Huffman, John C, Baik, Mu-Hyun, Mindiola, Daniel J

“…The transient titanium alkylidyne complex (PNP)Ti⋮C t Bu (PNP = N-[2-P(CHMe2)2-4-methylphenyl]2 -), prepared from α-hydrogen abstraction of the corresponding…”
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Influence of the d-Electron Count on CO Binding by Three-Coordinate [(tBu2PCH2SiMe2)2N]Fe, -Co, and -Ni by Ingleson, Michael J, Fullmer, Benjamin C, Buschhorn, Drew T, Fan, Hongjun, Pink, Maren, Huffman, John C, Caulton, Kenneth G

“…Reduction of (PNP)MCl [PNP = (tBu2PCH2SiMe2)2N] with Mg gives three-coordinate, T-shaped (PNP)M for M = Fe(S = 3/2) and Ni. Their reactivity was tested toward…”
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Remarkably Stable Titanium Complexes Containing Terminal Alkylidene, Phosphinidene, and Imide Functionalities by Bailey, Brad C, Huffman, John C, Mindiola, Daniel J, Weng, Wei, Ozerov, Oleg V

“…PNP pincer-type complexes of titanium(III) and -(IV) have been prepared, characterized, and proven to be remarkably stable, despite having terminal alkylidene,…”
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Single-Molecule Magnets:  Two-Electron Reduced Version of a Mn12 Complex and Environmental Influences on the Magnetization Relaxation of (PPh4)2[Mn12O12(O2CCHCl2)16(H2O)4] by Soler, Monica, Wernsdorfer, Wolfgang, Abboud, Khalil A, Huffman, John C, Davidson, Ernest R, Hendrickson, David N, Christou, George

“…The complex [Mn12O12(O2CCHCl2)16(H2O)4] (2) in MeCN exhibits three quasi-reversible one-electron reduction processes at significantly higher potentials than…”
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Two Classes of Alongside Charge-Transfer Interactions Defined in One [2]Catenane by Nygaard, Sune, Hansen, Stinne W, Huffman, John C, Jensen, Frank, Flood, Amar H, Jeppesen, Jan O

“…A [2]catenane, which incorporates hydroquinone (HQ) and a sterically bulky tetrathiafulvalene (TTF) into a bismacrocycle, has been designed to probe the…”
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Single-Molecule Magnets:  Ligand-Induced Core Distortion and Multiple Jahn−Teller Isomerism in [Mn12O12(O2CMe)8(O2PPh2)8(H2O)4] by Boskovic, Colette, Pink, Maren, Huffman, John C, Hendrickson, David N, Christou, George

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Synthetic and Mechanistic Studies of the Ring Opening and Denitrogenation of Pyridine and Picolines by Ti−C Multiple Bonds by Fout, Alison R, Bailey, Brad C, Buck, Dominik M, Fan, Hongjun, Huffman, John C, Baik, Mu-Hyun, Mindiola, Daniel J

“…The neopentylidene−neopentyl complex (PNP)TiCHtBu(CH2 tBu) (1; PNP− = N[2-P(CHMe2)2-4-methylphenyl]2) extrudes neopentane in neat pyridine or picoline (3- or…”
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Ambient Temperature Activation of Haloporphyrinic-Enediynes:  Electronic Contributions to Bergman Cycloaromatization by Nath, Mahendra, Huffman, John C, Zaleski, Jeffrey M

“…We have synthesized the nickel(II) 2,3-bis(haloethynyl)-5,10,15,20-tetraphenylporphyrins with −Br (2a) or −I (2b) at the alkyne termini position from the…”
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Aryl Isocyanate, Carbodiimide, and Isocyanide Prepared from Carbon Dioxide. A Metathetical Group-Transfer Tale Involving a Titanium−Imide Zwitterion by Kilgore, Uriah J, Basuli, Falguni, Huffman, John C, Mindiola, Daniel J

“…Carbon dioxide can be readily converted quantitatively and under mild conditions into the aryl isocyanate and symmetrical carbodiimide via a metathetical…”
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Terminal and Four-Coordinate Vanadium(IV) Phosphinidene Complexes. A Pseudo Jahn−Teller Effect of Second Order Stabilizing the V−P Multiple Bond by Basuli, Falguni, Bailey, Brad C, Huffman, John C, Baik, Mu-Hyun, Mindiola, Daniel J

“…Treatment of the four-coordinate vanadium neopentylidene (Nacnac)VCH t Bu(I) (Nacnac- = [Ar]NC(Me)CHC(Me)N[Ar], Ar = 2,6- i Pr2C6H3) with a bulky primary…”
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Single-Molecule Magnets:  Preparation and Properties of Mixed-Carboxylate Complexes [Mn12O12(O2CR)8(O2CR‘)8(H2O)4] by Soler, Mònica, Artus, Pau, Folting, Kirsten, Huffman, John C, Hendrickson, David N, Christou, George

“…Methods are reported for the preparation of mixed-carboxylate versions of the [Mn12O12(O2CR)16(H2O)4] family of single-molecule magnets (SMMs)…”
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Terminal Vanadium−Neopentylidyne Complexes and Intramolecular Cross-Metathesis Reactions to Generate Azametalacyclohexatrienes by Basuli, Falguni, Bailey, Brad C, Brown, Douglas, Tomaszewski, John, Huffman, John C, Baik, Mu-Hyun, Mindiola, Daniel J

“…Four-coordinate vanadium complexes containing a terminal neopentylidyne functionality have been prepared by two consecutive α-hydrogen abstraction reactions…”
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Addition Polymerization of Norbornene-Type Monomers. High Activity Cationic Allyl Palladium Catalysts by Lipian, John, Mimna, Richard A, Fondran, John C, Yandulov, Dmitry, Shick, Robert A, Goodall, Brian L, Rhodes, Larry F, Huffman, John C

“…A family of high activity catalysts for the vinyl addition polymerization of norbornene-type monomers based on cationic η-allylpalladium complexes coordinated…”
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Synthesis and Structural Characterization of Porphyrinic Enediynes:  Geometric and Electronic Effects on Thermal and Photochemical Reactivity by Chandra, Tilak, Kraft, Brian J., Huffman, John C., Zaleski, Jeffrey M.

“…We report the preparation of [5,10,15,20-tetraphenyl-2,3,7,8,12,13,17,18-octakis(phenylethynyl)porphinato] complexes of Ni(II), H2, Zn(II), Mg(II), and Cu(II),…”
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