0000000001299915

AUTHOR

Ross W. Harrington

showing 12 related works from this author

A stable oxoverdazyl free radical: Structural and magnetic characterization

2006

Abstract The structure and magnetic properties (susceptibility and ESR) of the stable oxoverdazyl free radical 6-(4-acetamidophenyl)-1,4,5,6-tetrahydro-2,4-dimethyl-1,2,4,5-tetrazin-3(2H)-one are presented. The crystal structure consists of chains of parallel planar molecules running along the b-axis. These chains are formed by dimers with a ring-over-bond overlap and a significant offset between dimers, although with similar inter- and intradimer distances. The susceptibility measurements show that this compound is an S = 1/2 paramagnet with weak antiferromagnetic interactions. The magnetic susceptibility can be very well reproduced with an antiferromagnetic regular chain model with g = 2.…

Condensed matter physicsChemistryCrystal structureMagnetic susceptibilityInorganic ChemistryParamagnetismCrystallographyPlanarUnpaired electronMaterials ChemistryMoleculeAntiferromagnetismPhysical and Theoretical ChemistryHyperfine structurePolyhedron
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Tuning the Basicity of Synergic Bimetallic Reagents: Switching the Regioselectivity of the Direct Dimetalation of Toluene from 2,5‐ to 3,5‐Positions

2008

Meta-meta metalation: Remarkably, toluene can be directly dimanganated or dimagnesiated at the 3,5-positions using bimetallic bases with active Me3SiCH2 ligands (see scheme, blue). In contrast, n-butyl ligands lead to 2,5-metalation (red). tmp=2,2,6,6-tetramethylpiperidide.

alkali metalsMetalationInorganic chemistrychemistry.chemical_elementManganesemetalationmagnesium010402 general chemistry01 natural sciencesCatalysischemistry.chemical_compoundinverse crown compoundsBimetallic strip010405 organic chemistryRegioselectivityGeneral ChemistryGeneral MedicineAlkali metalCombinatorial chemistryTolueneCommunications3. Good health0104 chemical scienceschemistryReagentmanganeseAngewandte Chemie
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Assessing the reactivity of sodium alkyl-magnesiates towards quinoxaline : single electron transfer (SET) vs. nucleophilic alkylation processes

2015

By exploring the reactivity of sodium butyl-magnesiate (1) supported by the bulky chelating silyl(bisamido) ligand {Ph2Si(NAr*)2}(2-) (Ar* = 2,6-iPr2-C6H3) towards Quinoxaline (Qx), the ability of this bimetallic system to effectively promote SET processes has been disclosed. Thus 1 executes the single-electron reduction of Qx affording complex (2) whose structure in the solid state contains two quinaxolyl radical anions Qx˙ stabilised within a dimeric magnesiate framework. Combining multinuclear NMR and EPR measurements with DFT calculations, new insights into the constitution of 2 in solution and its magnetic behaviour have been gained. Further evidence on the SET reactivity of 1 was foun…

Steric effects010405 organic chemistryStereochemistryAlkylation010402 general chemistry01 natural sciencesMedicinal chemistry0104 chemical sciencesInorganic Chemistrychemistry.chemical_compoundQuinoxalineNucleophilechemistryAmideAlkoxideReactivity (chemistry)QDAmination
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CCDC 1431264: Experimental Crystal Structure Determination

2015

Related Article: Zoe Livingstone, Alberto Hernán-Gómez, Sharon E. Baillie, David R. Armstrong, Luca M. Carrella, William Clegg, Ross W. Harrington, Alan R. Kennedy, Eva Rentschler, Eva Hevia|2016|Dalton Trans.|45|6175|doi:10.1039/C5DT04044B

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parametershexakis(tetrahydrofuran)-sodium (NN'-bis(26-diisopropylphenyl)-11-diphenylsilanediamido)-(2266-tetramethylpiperidin-1-yl)-magnesiumExperimental 3D Coordinates
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CCDC 921188: Experimental Crystal Structure Determination

2013

Related Article: Pilar Amo-Ochoa, Simone S. Alexandre, Samira Hribesh, Miguel A. Galindo, Oscar Castillo, Carlos J. Gómez-García, Andrew R. Pike, José M. Soler, Andrew Houlton, Ross W. Harrington, William Clegg, Félix Zamora|2013|Inorg.Chem.|52|5290|doi:10.1021/ic400237h

Space GroupCrystallographyCrystal SystemCrystal Structurecatena-[bis(mu2-2-amino-9H-purine-6-thiolato)-cobalt(ii)]Cell ParametersExperimental 3D Coordinates
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CCDC 921191: Experimental Crystal Structure Determination

2013

Related Article: Pilar Amo-Ochoa, Simone S. Alexandre, Samira Hribesh, Miguel A. Galindo, Oscar Castillo, Carlos J. Gómez-García, Andrew R. Pike, José M. Soler, Andrew Houlton, Ross W. Harrington, William Clegg, Félix Zamora|2013|Inorg.Chem.|52|5290|doi:10.1021/ic400237h

(2-amino-9-pentofuranosyl-9H-purine-6-thiolato)-bis(2-amino-9-pentofuranosyl-19-dihydro-6H-purine-6-thione)-cobalt(iii) sulfate trihydrateSpace GroupCrystallographyCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 1431266: Experimental Crystal Structure Determination

2015

Related Article: Zoe Livingstone, Alberto Hernán-Gómez, Sharon E. Baillie, David R. Armstrong, Luca M. Carrella, William Clegg, Ross W. Harrington, Alan R. Kennedy, Eva Rentschler, Eva Hevia|2016|Dalton Trans.|45|6175|doi:10.1039/C5DT04044B

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parameters2-((trimethylsilyl)methyl)-1234-tetrahydroquinoxalineExperimental 3D Coordinates
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CCDC 921190: Experimental Crystal Structure Determination

2013

Related Article: Pilar Amo-Ochoa, Simone S. Alexandre, Samira Hribesh, Miguel A. Galindo, Oscar Castillo, Carlos J. Gómez-García, Andrew R. Pike, José M. Soler, Andrew Houlton, Ross W. Harrington, William Clegg, Félix Zamora|2013|Inorg.Chem.|52|5290|doi:10.1021/ic400237h

tris(2-amino-9-pentofuranosyl-9H-purine-6-thiolato)-cobalt(iii) sesquihydrateSpace GroupCrystallographyCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 1431263: Experimental Crystal Structure Determination

2015

Related Article: Zoe Livingstone, Alberto Hernán-Gómez, Sharon E. Baillie, David R. Armstrong, Luca M. Carrella, William Clegg, Ross W. Harrington, Alan R. Kennedy, Eva Rentschler, Eva Hevia|2016|Dalton Trans.|45|6175|doi:10.1039/C5DT04044B

Space GroupCrystallographyCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinatesbis(hexakis(tetrahydrofuran)-sodium) bis(mu-quinoxaline radical)-bis(NN'-bis(26-diisopropylphenyl)(diphenyl)silanebis(amido))-di-magnesium tetrahydrofuran solvate
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CCDC 921189: Experimental Crystal Structure Determination

2013

Related Article: Pilar Amo-Ochoa, Simone S. Alexandre, Samira Hribesh, Miguel A. Galindo, Oscar Castillo, Carlos J. Gómez-García, Andrew R. Pike, José M. Soler, Andrew Houlton, Ross W. Harrington, William Clegg, Félix Zamora|2013|Inorg.Chem.|52|5290|doi:10.1021/ic400237h

Space GroupCrystallographyCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinatestris(2-amino-9-(4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-19-dihydro-6H-purine-6-thione)-cobalt(iii) dinitrate dihydrate
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CCDC 921187: Experimental Crystal Structure Determination

2013

Related Article: Pilar Amo-Ochoa, Simone S. Alexandre, Samira Hribesh, Miguel A. Galindo, Oscar Castillo, Carlos J. Gómez-García, Andrew R. Pike, José M. Soler, Andrew Houlton, Ross W. Harrington, William Clegg, Félix Zamora|2013|Inorg.Chem.|52|5290|doi:10.1021/ic400237h

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parameterscatena-[bis(mu2-2-amino-9H-purine-6-thiolato)-cobalt(ii) dihydrate]Experimental 3D Coordinates
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CCDC 1431265: Experimental Crystal Structure Determination

2015

Related Article: Zoe Livingstone, Alberto Hernán-Gómez, Sharon E. Baillie, David R. Armstrong, Luca M. Carrella, William Clegg, Ross W. Harrington, Alan R. Kennedy, Eva Rentschler, Eva Hevia|2016|Dalton Trans.|45|6175|doi:10.1039/C5DT04044B

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parameters(mu-2266-tetramethylpiperidin-1-olato)-(NN'-bis(26-diisopropylphenyl)-11-diphenylsilanediamido)-tris(tetrahydrofuran)-magnesium-sodium tetrahydrofuran solvateExperimental 3D Coordinates
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