Search Results - "Semproni, Scott P."

Four-Coordinate Cobalt Pincer Complexes: Electronic Structure Studies and Ligand Modification by Homolytic and Heterolytic Pathways by Semproni, Scott P, Milsmann, Carsten, Chirik, Paul J

“…A family of cobalt chloride, methyl, acetylide and hydride complexes bearing both intact and modified tert-butyl substituted bis­(phosphino)­pyridine pincer…”
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Cobalt-Catalyzed C(sp2)‑H Borylation: Mechanistic Insights Inspire Catalyst Design by Obligacion, Jennifer V, Semproni, Scott P, Pappas, Iraklis, Chirik, Paul J

“…A comprehensive study into the mechanism of bis­(phosphino)­pyridine (PNP) cobalt-catalyzed C–H borylation of 2,6-lutidine using B2Pin2 (Pin = pinacolate) has…”
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Synthesis, Electronic Structure, and Reactivity of a Planar Four‐Coordinate, Cobalt–Imido Complex by Park, Yoonsu, Semproni, Scott P., Zhong, Hongyu, Chirik, Paul J.

“…A four‐coordinate cobalt–imido complex, (tBumPNP)Co=NMes (tBumPNP=modified PNP pincer ligand) has been synthesized from addition of 2,4,6‐trimethylphenylazide…”
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Synthesis and Electronic Structure of Bis(imino)pyridine Iron Metallacyclic Intermediates in Iron-Catalyzed Cyclization Reactions by Hoyt, Jordan M, Sylvester, Kevin T, Semproni, Scott P, Chirik, Paul J

“…The bis(imino)pyridine iron dinitrogen compound, (iPr(TB)PDI)Fe(N2)2 (iPr(TB)PDI = 2,6-(2,6-iPr2-C6H3-NC-(CH2)3)2(C5H1N)) is an effective precatalyst for the…”
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Synthesis of a Base-Free Hafnium Nitride from N2 Cleavage: A Versatile Platform for Dinitrogen Functionalization by Semproni, Scott P, Chirik, Paul J

“…The synthesis and characterization of a metastable, base-free isocyanato dihafnocene μ-nitrido complex from CO-induced dinitrogen cleavage is described. The…”
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N–N Bond Cleavage of 1,2-Diarylhydrazines and N–H Bond Formation via H‑Atom Transfer in Vanadium Complexes Supported by a Redox-Active Ligand by Milsmann, Carsten, Semproni, Scott P, Chirik, Paul J

“…Addition of stoichiometric quantites of 1,2-diaryl­hydrazines to the bis­(imino)­pyridine vanadium dinitrogen complex, [{( iPrBPDI)­V­(THF)}2(μ2-N2)] ( iPrBPDI…”
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Oxidative Addition of Dihydrogen, Boron Compounds, and Aryl Halides to a Cobalt(I) Cation Supported by a Strong-Field Pincer Ligand by Rummelt, Stephan M, Zhong, Hongyu, Léonard, Nadia G, Semproni, Scott P, Chirik, Paul J

“…Cationic cobalt­(I) dinitrogen complexes with a strong-field tridentate pincer ligand were prepared, and the oxidative addition of polar and nonpolar bonds was…”
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Oxidation and Reduction of Bis(imino)pyridine Iron Dinitrogen Complexes: Evidence for Formation of a Chelate Trianion by Tondreau, Aaron M, Stieber, S. Chantal E, Milsmann, Carsten, Lobkovsky, Emil, Weyhermüller, Thomas, Semproni, Scott P, Chirik, Paul J

“…Oxidation and reduction of the bis(imino)pyridine iron dinitrogen compound, (iPrPDI)FeN2 (iPrPDI = 2,6-(2,6-iPr2–C6H3–NCMe)2C5H3N) has been examined to…”
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Reversible Carbon–Carbon Bond Formation Induced by Oxidation and Reduction at a Redox-Active Cobalt Complex by Hojilla Atienza, Crisita Carmen, Milsmann, Carsten, Semproni, Scott P, Turner, Zoë R, Chirik, Paul J

“…The electronic structure of the diamagnetic pyridine imine enamide cobalt dinitrogen complex, (iPrPIEA)­CoN2 (iPrPIEA =…”
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Electronic Structure Determination of Pyridine N‑Heterocyclic Carbene Iron Dinitrogen Complexes and Neutral Ligand Derivatives by Darmon, Jonathan M, Yu, Renyuan Pony, Semproni, Scott P, Turner, Zoë R, Stieber, S. Chantal E, DeBeer, Serena, Chirik, Paul J

“…The electronic structures of pyridine N-heterocyclic dicarbene (iPrCNC) iron complexes have been studied by a combination of spectroscopic and computational…”
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Redox-Induced N2 Hapticity Switching in Zirconocene Dinitrogen Complexes by Semproni, Scott P., Knobloch, Donald J., Milsmann, Carsten, Chirik, Paul J.

“…N2 shuffle: One‐electron reduction of the ansa‐zirconocene complex with a side‐on dinitrogen ligand furnished the corresponding anion in which the hapticity of…”
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Cobalt-Catalyzed C–H Borylation by Obligacion, Jennifer V, Semproni, Scott P, Chirik, Paul J

“…A family of pincer-ligated cobalt complexes has been synthesized and are active for the catalytic C−H borylation of heterocycles and arenes. The cobalt…”
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Carbon Dioxide Hydrosilylation Promoted by Cobalt Pincer Complexes by Scheuermann, Margaret L, Semproni, Scott P, Pappas, Iraklis, Chirik, Paul J

“…The addition of carbon dioxide to (tBuPNP)CoH [tBuPNP = 2,6-bis(di-tert-butylphosphinomethyl)pyridine] resulted in rapid insertion into the Co–H bond to form…”
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Enantiopure C 1-Symmetric Bis(imino)pyridine Cobalt Complexes for Asymmetric Alkene Hydrogenation by Monfette, Sebastien, Turner, Zoë R, Semproni, Scott P, Chirik, Paul J

“…Enantiopure C 1-symmetric bis(imino)pyridine cobalt chloride, methyl, hydride, and cyclometalated complexes have been synthesized and characterized. These…”
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Oxidative addition and C–H activation chemistry with a PNP pincer-ligated cobalt complex by Semproni, Scott P., Hojilla Atienza, Crisita Carmen, Chirik, Paul J.

“…The bis(phosphino)pyridine (PNP) cobalt( i ) methyl complex, ( iPr PNP)CoCH 3 is a rich platform for the oxidative addition of non-polar reagents such as H 2 ,…”
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Unfolding an Elusive Area-Selective Deposition Process: Atomic Layer Deposition of TiO2 and TiON on SiN vs SiO2 by Mameli, Alfredo, Tapily, Kanda, Shen, Jie, Roozeboom, Fred, Lu, Mengcheng, O’Meara, David, Semproni, Scott P., Chen, Jiun-Ruey, Clark, Robert, Leusink, Gert, Clendenning, Scott

“…Area-selective atomic layer deposition (AS-ALD) processes for TiO2 and TiON on SiN as the growth area vs SiO2 as the nongrowth area are demonstrated on…”
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Unfolding an Elusive Area-Selective Deposition Process: Atomic Layer Deposition of TiO 2 and TiON on SiN vs SiO 2 by Mameli, Alfredo, Tapily, Kanda, Shen, Jie, Roozeboom, Fred, Lu, Mengcheng, O'Meara, David, Semproni, Scott P, Chen, Jiun-Ruey, Clark, Robert, Leusink, Gert, Clendenning, Scott

“…Area-selective atomic layer deposition (AS-ALD) processes for TiO and TiON on SiN as the growth area vs SiO as the nongrowth area are demonstrated on patterns…”
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Dinitrogen Silylation and Cleavage with a Hafnocene Complex by Semproni, Scott P, Lobkovsky, Emil, Chirik, Paul J

“…Silylation of a hafnocene complex containing a strongly activated dinitrogen ligand, [(η5-C5H2-1,2,4-Me3)2Hf]2(μ2,η2,η2-N2), by addition of CySiH3 resulted in…”
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Structure and Reactivity of a Hafnocene μ-Nitrido Prepared From Dinitrogen Cleavage by Semproni, Scott P., Milsmann, Carsten, Chirik, Paul J.

“…Carbonylation of the strongly activated hafnocene dinitrogen complex, [{(η5‐C5H2‐1,2,4‐Me3)2Hf}2(μ2,η2,η2‐N2)], in the presence of electron‐rich 4‐substituted…”
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Oxidative Addition of Carbon–Carbon Bonds with a Redox-Active Bis(imino)pyridine Iron Complex by Darmon, Jonathan M, Stieber, S. Chantal E, Sylvester, Kevin T, Fernández, Ignacio, Lobkovsky, Emil, Semproni, Scott P, Bill, Eckhard, Wieghardt, Karl, DeBeer, Serena, Chirik, Paul J

“…Addition of biphenylene to the bis(imino)pyridine iron dinitrogen complexes, (iPrPDI)Fe(N2)2 and [(MePDI)Fe(N2)]2(μ2-N2) (RPDI = 2,6-(2,6-R2C6H3NCMe)2C5H3N;…”
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