oxidation and reduction of bis imino pyridine iron dicarbonyl complexes

Synthesis of iron(ii), manganese(ii) cobalt(ii) and ...

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‪Carsten Milsmann‬

Oxidation and reduction of bis (imino) pyridine iron dicarbonyl complexes AM Tondreau, C Milsmann, E Lobkovsky, PJ Chirik Inorganic chemistry 50 (20), 9888-9895, 2011

128. Pappas, I.; Chirik, P. J. 2014

2020-7-23 · DeBeer, S.; Chirik, P. J. "Bis(imino)pyridine iron dinitrogen compounds revisited: Differences in electronic structure between four- and five-coordinate derivatives." Inorg.

Tuning redox potentials of bis(imino)pyridine cobalt ...

* Corresponding authors a Department of Chemistry, Yale University, New Haven E-mail: [email protected] , [email protected] b General Electric Global Research, 1 Research Circle, Niskayuna

Reduction Chemistry of Aryl

Bis(imino)pyridine complexes of manganese, iron and cobalt provide a rich platform for understanding the role of electronic structure and redox-active ligands with reduced first row metal ...

Electronic Structure of Bis(imino)pyridine Iron Dichloride ...

Released Journal Article Electronic Structure of Bis(imino)pyridine Iron Dichloride, Monochloride, and Neutral Ligand Complexes: A Combined Structural, Spectroscopic, and Computational Study

Oxidation and reduction of bis(imino)pyridine iron ...

2011-6-13 · The oxidation and reduction of a redox-active aryl-substituted bis(imino)pyridine iron dicarbonyl has been explored to determine whether electron-transfer events are ...

Oxidation and Reduction of Bis(imino)pyridine Iron ...

Bis(imino)pyridine complexes of manganese, iron and cobalt provide a rich platform for understanding the role of electronic structure and redox-active ligands with reduced first row metal complexes.

Oxidation and reduction of bis(imino)pyridine iron ...

Thus, the oxidation event is principally ligand based. The one electron reduction product, [Na(15-crown-5)][( iPr PDI)FeN 2 ], was isolated following addition of sodium naphthalenide to ( iPr PDI)FeN 2

Reactivity of chromium complexes of a bis(imino)pyridine ...

As a result of the metal reduction, partial transmetalation of the ligand system occurred, with formation of [4-{2,6-[2,6-(i-Pr)2PhN=C(CH3)]2(C5H3N)}Al2(i-Bu)3(-Cl)]Cr-(6-C7H8) (8). By being catalytically inactive, the partly transmetalated 8 suggests that ligand demetalation is a possible catalyst deactivation pathway

Oxidation and reduction of bis(imino)pyridine iron ...

2013-1-18 · Reduction of the iron dinitrogen complex where the imine methyl groups have been replaced by phenyl substituents, ((iPr)BPDI)Fe(N(2))(2) resulted in isolation of both the mono- and dianionic iron dinitrogen compounds, [((iPr)BPDI)FeN(2)](-) and [((iPr)BPDI)FeN(2)](2-), highlighting the ability of this class of chelate to serve as an effective ...

Reduction chemistry of aryl

2009-5-1 · 1. Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, New York 14853, USA.

ChemInform Abstract: New Bis(imino)pyridine Complexes of ...

Request PDF | ChemInform Abstract: New Bis(imino)pyridine Complexes of Iron(II) and Iron(III), and Their Catalytic Activity in the Mukaiyama Aldol Reaction. | New iron(II) and iron(III) complexes ...

Synthesis and Ligand Modification Chemistry of a ...

2014-10-16 · Addition of ammonia resulted in sequential N H bond activations, thus forming bridging parent imido (μ‐NH) ligands with concomitant reduction of one of the imines of the supporting chelate. Using primary and secondary amines, model intermediates have been isolated that highlight the role of metal–ligand cooperativity in NH 3 oxidation.

Synthesis and Electronic Structure of Reduced Bis(imino ...

2011-10-5 · Oxidation and reduction of this compound furnished [(iPr PDI)Mn(CO) 3] + and [(iPr PDI)Mn(CO) 2] –, respectively, and provided a series of three manganese carbonyl compounds over three oxidation states.

Electron-donating capabilities and evidence for redox ...

2020-4-8 · Acknowledgements. Molecular graphics and analyses were performed with the UCSF Chimera package. Chimera is developed by the Resource for Biocomputing, Visualization, and Informatics at the University of California, San Francisco (supported …

Chelate bis(imino)pyridine cobalt complexes: synthesis ...

2005-10-12 · The reaction of the Co(II) complexes 10 or 12 with ca. 3 molar equiv of methyllithium gave the cobalt(I) complexes 16 and 17, respectively. Treatment of the (ligMe)CoCH3 (17) with Li[B(C6F5)4] gave a low activity ethene polymerization catalyst.

Synthesis and Applications of (Pyridyl)imine Fe(II ...

2020-7-21 · In our recent work, we employed nickel complexes of chiral imino-pyridine ligands in the asymmetric transfer hydrogenation of a wide range of ketones . Encouraged by the results obtained, we herein report the synthesis, structural elucidation, and application of the Fe(II) complexes of these imino-pyridine ligands as catalysts in the TH of ketones.

Oxidation and Reduction of Bis(imino)pyridine Iron ...

2019-12-12 · The oxidation and reduction of a redox-active aryl-substituted bis (imino)pyridine iron dicarbonyl has been explored to determine whether electron-transfer events are ligand- or metal-based or a combination of both.

Cationic Pyridine(diimine) Iron Tethered Alkene …

Cationic Pyridine(diimine) Iron Tethered Alkene Complexes: Synthetic Models For Elusive Intermediates In Iron-Catalyzed Ethylene Polymerization 6).)).)), ((complexes

Coordination Chemistry and Reactivity of Bis(aldimino ...

Abstract. A series of nickel complexes with potentially redox active bis­(aldimino)­pyridine ligands [NNN] ([NNN] = 1,1′-(pyridine-2,6-diyl)­bis­(<i>N</i>-arylmethanimine), where aryl = 2,6-diisopropylphenyl, mesityl, 4-methoxyphenyl, 4-trifluoromethylphenyl, and 3,5-bis­(trifluoromethyl)­phenyl) were synthesized, and their properties and reactivities were investigated as a function of ...

Goldberg, David

Sulfide Oxidation by O2: Synthesis, structure and reactivity of novel sulfide-incorporated Fe(II) bis(imino)pyridine complexes Widger, L. R.; Siegler, M. A.; Goldberg ...

Pentacoordinated iron(II) complexes with 2,6-bis[(imino ...

2010-1-23 · 2,6-bis[1-(cis)-myrtanylimino)ethyl]pyridineiron(II) chloride (2) and 2,6-bis[(1-phenylimino)ethyl]pyridineiron(II) chloride (3) were investigated as novel complexes for iron-mediated atom transfer radical polymerization (ATRP) of methyl methacrylate (MMA) and tert-butyl acrylate (tBA) using toluene as the solvent, and ethyl 2-bromoisobutyrate as the initiator. A catalyst/initiator molar …

Synthesis, electronic structure and reactivity of bis ...

2013-11-21 · Synthesis, electronic structure and reactivity of bis(imino)pyridine iron carbene complexes: evidence for a carbene radical

Sulfide oxidation by O2: Synthesis, structure and ...

2013-7-13 · Although Fe II-bis(imino)pyridine complexes are usually found in five-coordinate geometries, there are a few reported examples of octahedral complexes, . The aryl diisopropyl group is projected orthogonal to the N 3 plane, which contains the iron ion.

Neutral-Ligand Complexes of Bis(imino)pyridine Iron ...

2021-3-12 · Oxidation and Reduction of Bis(imino)pyridine Iron Dinitrogen Complexes: Evidence for Formation of a Chelate Trianion.. Inorganic Chemistry 2013, 52 (2), 635-646.

Arene Coordination in Bis(imino)pyridine Iron Complexes ...

2019-5-25 · Enantiopure Pyridine Bis(oxazoline) "Pybox" and Bis(oxazoline) "Box" Iron Dialkyl Complexes: Comparison to Bis(imino)pyridine Compounds and Application to Catalytic Hydrosilylation of …

Reduced N-Alkyl Substituted Bis(imino)pyridine Cobalt ...

2021-3-12 · †Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, New York 14853 ‡ Max-Planck Institute for Bioinorganic Chemistry, Stiftstrasse 34-36, D-45470 Mülheim an der Ruhr, Germany

Synthesis and characterization of pyridine amide cation ...

We reported the synthesis and characterization of peptide complexes of low-spin iron(III) [Fe(bpb)(py)2][ClO4] (1) and Na[Fe(bpb)(CN)2] (2) [H2bpb = 1,2-bis(pyridine-2-carboxamido)benzene; py = pyridine], where iron is coordinated to four nitrogen donors in the equatorial plane with two amide nitrogen anions and two pyridine nitrogen donors (Ray, M.; Mukherjee, R.; Richardson, J. F.; …

Modification of Iron(II) Tridentate Bis(imino)pyridine ...

The tris-imino-bis-pyridine ligands (MeN5 and iPrN5) and the tetrakis-imino-bis-pyridine ligand (iPrN6) react with FeCl2 and/or CoX2 (X = Cl, Br) to give paramagnetic monometallic, homobimetallic ...

The Ability of the α,α′‐Diiminopyridine Ligand System to ...

2002-10-18 · Paul J. Chirik, Electronic Structures of Reduced Manganese, Iron, and Cobalt Complexes Bearing Redox‐Active Bis(imino)pyridine Pincer Ligands, Pincer and Pincer‐Type Complexes, 10.1002/9783527681303, (189-212), (2014).

Reduction Chemistry of Aryl

2008-11-26 · Oxidation and Reduction of Bis(imino)pyridine Iron Dicarbonyl Complexes. Inorganic Chemistry 2011, 50 (20), 9888-9895. DOI: 10.1021/ic200730k. Mark Irwin, Tobias Krämer, John E. McGrady, and Jose M. Goicoechea .

Carsten Milsmann | Department of Chemistry | West ia ...

2020-9-8 · Reversible Carbon-Carbon Bond Formation Induced by Oxidation and Reduction at a Redox-Active Cobalt Complex. ... Oxidation and Reduction of Bis(imino)pyridine Iron Dinitrogen Complexes: Evidence for Formation of a Chelate Trianion. ... Electronic Structure and Alkene Hydrosilylation Activity of Terpyridine and Bis(imino)pyridine Iron …

Electronic Effects in 4-Substituted Bis(imino)pyridines ...

Sodium amalgam reduction of the iron dihalides (4-X-iPrPDI)FeX2 (X = Cl, Br) in the presence of excess carbon monoxide furnished the corresponding iron dicarbonyl compounds (4-X-iPrPDI)Fe(CO)2.

‪ Tondreau‬

Oxidation and reduction of bis (imino) pyridine iron dicarbonyl complexes AM Tondreau, C Milsmann, E Lobkovsky, PJ Chirik Inorganic chemistry 50 (20), 9888-9895, 2011

Preparation of aluminum(III) (bis(amido)pyridine)(thiolate ...

2012-3-15 · 1. Introduction. The tridentate 2,6-bis(imino)pyridine (2,6-BIP) platform has played an important role in a broad range of reactions, including olefin polymerizations, Fe- and Co-centered dinitrogen reduction, and alkane oxidation catalysis, also exhibits rich redox behavior, providing a site for storing reducing equivalents in conjunction with redox-active metals (e.g., Fe and Ni