Search Results - "Bezpalko, Mark W"
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Origin of and a Solution for Uneven Efficiency by Cinchona Alkaloid-Derived, Pseudoenantiomeric Catalysts for Asymmetric Reactions
Published in Journal of the American Chemical Society (24-10-2018)“…Cinchona alkaloid-derived chiral catalysts represent one of the most widely applied classes of organocatalysts, which have been successfully utilized in the…”
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Stoichiometric CO Bond Oxidative Addition of Benzophenone by a Discrete Radical Intermediate To Form a Cobalt(I) Carbene
Published in Journal of the American Chemical Society (24-04-2013)“…Single electron transfer from the ZrIIICo0 heterobimetallic complex (THF)Zr(MesNP i Pr2)3Co–N2 (1) to benzophenone was previously shown to result in the…”
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3
Investigation of Ketone CO Bond Activation Processes by Heterobimetallic Zr/Co and Ti/Co Tris(phosphinoamide) Complexes
Published in Organometallics (25-09-2017)“…The reactivity of the reduced Zr/Co and Ti/Co complexes (THF)Zr(MesNP i Pr2)3CoN2 (1, Mes = 2,4,6-trimethylphenyl) and (THF)Ti(XylNP i Pr2)3CoN2 (7, Xyl =…”
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Exploring Trends in Metal–Metal Bonding, Spectroscopic Properties, and Conformational Flexibility in a Series of Heterobimetallic Ti/M and V/M Complexes (M = Fe, Co, Ni, and Cu)
Published in Inorganic chemistry (05-12-2016)“…To understand the metal–metal bonding and conformational flexibility of first-row transition metal heterobimetallic complexes, a series of heterobimetallic…”
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5
Catalytic Hydrosilylation of Ketones Using a Co/Zr Heterobimetallic Complex: Evidence for an Unusual Mechanism Involving Ketyl Radicals
Published in Organometallics (25-03-2013)“…The tris(phosphinoamide)-linked heterobimetallic Co/Zr complex (THF)Zr(MesNP i Pr2)3CoN2 (1) has been investigated as a catalyst for the hydrosilylation of…”
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6
Addition of H2 Across a Cobalt–Phosphorus Bond
Published in Angewandte Chemie International Edition (05-02-2018)“…Addition of H2 across the cobalt–phosphorus bond of (PPP)CoPMe3 (3) is demonstrated, where PPP is a monoanionic diphosphine pincer ligand with a central…”
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7
A heterobimetallic complex featuring a Ti-Co multiple bond and its application to the reductive coupling of ketones to alkenes
Published in Chemical science (Cambridge) (01-03-2015)“…To explore metal-metal multiple bonds between first row transition metals, Ti/Co complexes supported by two phosphinoamide ligands have been synthesized and…”
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8
Formation of Heterobimetallic Zirconium/Cobalt Diimido Complexes via a Four-Electron Transformation
Published in Inorganic chemistry (06-10-2014)“…The reactivity of the reduced heterobimetallic complex Zr( i PrNP i Pr2)3CoN2 (1) toward aryl azides was examined, revealing a four-electron redox…”
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9
Coordination of an N-Heterocyclic Phosphenium Containing Pincer Ligand to a Co(CO)2 Fragment Allows Oxidation To Form an Unusual N-Heterocyclic Phosphinito Species
Published in Organometallics (14-11-2011)“…A tridentate pincer ligand featuring a central N-heterocyclic phosphenium (NHP+) donor has been coordinated to a Co(CO)2 fragment to generate the Co NHP…”
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10
Activation of E-H and E-E (E = S, O) Bonds by Heterobimetallic Zr/Co Complexes: Evidence for Both One- and Two-Electron Processes
Published in European journal of inorganic chemistry (06-08-2013)“…The reactivity of the reduced ZrIIICo0 heterobimetallic complex [(thf)Zr(MesNPiPr2)3CoN2] (1a) towards O–H, S–H, S–S, and O–O bonds has been investigated…”
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11
Multimetallic Complexes Featuring a Bridging N‑heterocyclic Phosphido/Phosphenium Ligand: Synthesis, Structure, and Theoretical Investigation
Published in Inorganic chemistry (19-08-2013)“…By incorporating an N-heterocyclic phosphenium/phosphide (NHP) ligand into a chelating pincer ligand framework (PPP+/PPP–), we have elucidated several…”
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12
O 2 Activation by a Heterobimetallic Zr/Co Complex
Published in Journal of the American Chemical Society (19-06-2019)“…Oxygen reduction is a critical half reaction in renewable fuel cell development and a key step in the development of aerobic oxidation reactions. Herein, we…”
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13
Addition of H 2 Across a Cobalt-Phosphorus Bond
Published in Angewandte Chemie International Edition (05-02-2018)“…Addition of H across the cobalt-phosphorus bond of (PPP)CoPMe (3) is demonstrated, where PPP is a monoanionic diphosphine pincer ligand with a central…”
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14
Ostwald Ripening in Metallic Nanoparticles: Stochastic Kinetics
Published in Journal of physical chemistry. C (07-07-2011)“…This paper looks at the factors that control Ostwald ripening in a bimodal silver nanocolloid system containing tabular particles having one dimension equal to…”
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15
Heterobimetallic Ti/Co Complexes That Promote Catalytic N–N Bond Cleavage
Published in Inorganic chemistry (16-11-2015)“…Treatment of the tris(phosphinoamide) titanium precursor ClTi(XylNP i Pr2)3 (1) with CoI2 leads to the heterobimetallic complex (η2- i Pr2PNXyl)Ti(XylNP i…”
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16
Use of a Bidentate Ligand Featuring an N‑Heterocyclic Phosphenium Cation (NHP+) to Systematically Explore the Bonding of NHP+ Ligands with Nickel
Published in Inorganic chemistry (08-09-2015)“…A novel bidentate ligand featuring an N-heterocyclic phosphenium cation (NHP+) linked to a phosphine side arm is used to explore the coordination chemistry of…”
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N-Heterocyclic Phosphenium Ligands as Sterically and Electronically-Tunable Isolobal Analogues of Nitrosyls
Published in Inorganic chemistry (02-04-2012)“…The coordination chemistry of an N-heterocyclic phosphenium (NHP)-containing bis(phosphine) pincer ligand has been explored with Pt0 and Pd0 precursors. Unlike…”
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18
A Series of Dimeric Cobalt Complexes Bridged by N‑Heterocyclic Phosphido Ligands
Published in Inorganic chemistry (06-04-2020)“…A tridentate [PPP] ligand has been used to construct a series of dimeric cobalt complexes and explore cooperative multielectron redox processes that are both…”
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Cobalt N‑Heterocyclic Phosphenium Complexes Stabilized by a Chelating Framework: Synthesis and Redox Properties
Published in Inorganic chemistry (03-01-2017)“…Two cobalt complexes containing coordinated N-heterocyclic phosphenium (NHP+) ligands are synthesized using a bidentate NHP+/phosphine chelating ligand, [PP] +…”
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20
Lewis Acid Catalysis with Cationic Dinuclear Gold(II,II) and Gold(III,III) Phosphorus Ylide Complexes
Published in Organometallics (12-09-2016)“…The dinuclear gold(II,II) and gold(III,III) complexes [Au2(μ-PY)2(MeCN)2]OTf2 (2-OTf 2 ) and [Au2(μ-PY)2(μ-CH2)(MeCN)2]OTf2 (3-OTf 2 ) (PY =…”
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