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14 results on '"B, Love"'

1. Catalytic epoxidation by perrhenate through the formation of organic-phase supramolecular ion pairs

Author

Peter A. Tasker, Mirza Cokoja, Fritz E. Kühn, Michael H. Anthofer, Saner Poplata, Jason B. Love, Wolfgang A. Herrmann, Alexander Pöthig, Iulius I. E. Markovits, and Danny S. Morris

Subjects
Aqueous solution, Perrhenate, Inorganic chemistry, Metals and Alloys, Supramolecular chemistry, macromolecular substances, General Chemistry, Catalysis, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, chemistry.chemical_compound, chemistry, Amide, Phase (matter), Materials Chemistry, Ceramics and Composites, Ammonium, Hydrogen peroxide
Abstract

Organic-phase supramolecular ion pair (SIP) host-guest assemblies of perrhenate anions (ReO4(-)) with ammonium amide receptor cations are reported. These compounds act as catalysts for the epoxidation of alkenes by aqueous hydrogen peroxide under biphasic conditions and can be recycled several times with no loss in activity.

Published
2015

2. Exploiting outer-sphere interactions to enhance metal recovery by solvent extraction

Author

Jennifer R. Turkington, Peter A. Tasker, Philip J. Bailey, Jason B. Love, and A. Matthew Wilson

Subjects
Hydrogen bond, Chemistry, Inorganic chemistry, Metals and Alloys, General Chemistry, Catalysis, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, Metal, Hydrocarbon solvents, visual_art, Materials Chemistry, Ceramics and Composites, visual_art.visual_art_medium, Outer sphere electron transfer, Selectivity, Solvent extraction
Abstract

Interactions, particularly hydrogen bonds, between ligands in the outer coordination spheres of metal complexes have a major effect on their stabilities in the hydrocarbon solvents used in commercial solvent extraction and it is now possible to use these interactions to tune the strength and selectivity of extractants.

Published
2013

3. Titanium and zirconium complexes supported by dipyrrolide ligandsElectronic supplementary information (ESI) available: Full experimental, NMR and analytical data. See http://www.rsc.org/suppdata/cc/b2/b208751k

Author

Jason B. Love, Alexander J. Blake, Claire Wilson, and Andrew Novak

Subjects
Zirconium, Inorganic chemistry, Metals and Alloys, chemistry.chemical_element, General Chemistry, Catalysis, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, chemistry, Polymer chemistry, Materials Chemistry, Ceramics and Composites, Olefin polymerization, Titanium
Abstract

The reactions between meso-disubstituted dipyrromethanes and titanium and zirconium amides and alkyls have generated the first examples of dipyrrolide complexes of Group 4 metals.

Published
2002

4. Ditopic azathioether macrocycles as hosts for transition metal saltsElectronic supplementary information (ESI) available: full experimental details. See http://www.rsc.org/suppdata/cc/b1/b109486f

Author

Jason B. Love, Joanna M. Vere, Alexander J. Blake, Martin Schröder, and Mark W. Glenny

Subjects
chemistry.chemical_classification, Stereochemistry, Chemistry, Metals and Alloys, Cationic polymerization, Salt (chemistry), General Chemistry, Catalysis, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, Transition metal, Polymer chemistry, Materials Chemistry, Ceramics and Composites, Proton NMR, Molecule
Abstract

The synthesis and complexation of two heteroditopic lariat azathioether macrocycles L1 and L2 incorporating acylurea functionalised pendant arms are described; L1 and L2 are capable of simultaneously binding both the cationic and anionic moieties of a metal salt as confirmed by the structures of [PdCl2(L1)], [CuCl(L2)]2CuCl4 and [Ag(NO3)(L2)] and by 1H NMR studies in solution on [Ag(NO3)(L2)].

Published
2001

5. The dipyrrolide ligand as a template for the spontaneous formation of a tetranuclear iron(ii) complexElectronic supplementary information (ESI) available: full experimental and characterisation data. See http://www.rsc.org/suppdata/cc/b3/b303485b

Author

Jason B. Love, Alexander J. Blake, Claire Wilson, Pamela A. Salyer, Andrew S. Bailey, E. Stephen Davies, and David J. Evans

Subjects
Chemistry, Stereochemistry, Ligand, Materials Chemistry, Metals and Alloys, Ceramics and Composites, General Chemistry, Catalysis, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials
Abstract

The meso-disubstituted dipyrrolide ligand (L) has promoted the formation of a unique tetranuclear iron(II) compound that contains both diazaferrocenyl and distorted-tetrahedral iron centres.

Published
2003

6. The syntheses and structures of Group 1 expanded dipyrrolides: the formation of a 12-rung amidolithium circular ladderElectronic supplementary information (ESI) available: full experimental details and crystallographic data. See http://www.rsc.org/suppdata/cc/b3/b303611a

Author

Stuart David Reid, Claire Wilson, Jason B. Love, Alexander J. Blake, Andrew Novak, and Peter B. Hitchcock

Subjects
Stereochemistry, Chemistry, fungi, Metals and Alloys, General Chemistry, Catalysis, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, carbohydrates (lipids), Group (periodic table), polycyclic compounds, Materials Chemistry, Ceramics and Composites, heterocyclic compounds
Abstract

Elaboration of meso-disubstituted dipyrromethanes to incorporate imino or amino donors results in ligands that adopt unique, aggregated structures with Group 1 metals.

Published
2003

7. Facile P2N2 macrocycle formation promoted by lithium templating. The X-ray crystal structures of syn-Li2(thf)(P2N2) and anti-Li2(thf)2(P2N2)[P2N2= PhP(CH2SiMe2NSiMe2CH2)2PPh]

Author

Jason B. Love, Michael D. Fryzuk, and Steven J. Rettig

Subjects
Chemistry, Stereochemistry, Metals and Alloys, X-ray, chemistry.chemical_element, General Chemistry, Crystal structure, Ring (chemistry), Catalysis, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, chemistry.chemical_compound, Polymer chemistry, Materials Chemistry, Ceramics and Composites, Lithium, Phosphine
Abstract

Lithium ions act as templates in the formation of twelve-membered ring macrocycles that contain both amido and phosphine donors.

Published
1996

8. Double uranium oxo cations derived from uranyl by borane or silane reduction

Author

Polly L. Arnold, Gary S. Nichol, Bradley E. Cowie, and Jason B. Love

Subjects
inorganic chemicals, Double bond, chemistry.chemical_element, Boranes, Borane, 010402 general chemistry, 01 natural sciences, Medicinal chemistry, Catalysis, chemistry.chemical_compound, Materials Chemistry, Deoxygenation, chemistry.chemical_classification, Silanes, 010405 organic chemistry, Metals and Alloys, General Chemistry, Uranium, Uranyl, Silane, 0104 chemical sciences, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, Chemistry, chemistry, Ceramics and Composites
Abstract

A new type of double uranium oxo cation [O–U–O–U–O]4+ is prepared by selective oxygen-atom abstraction from macrocyclic uranyl complexes using either boranes or silanes., A new type of double uranium oxo cation [O–U–O–U–O]4+ is prepared by selective oxygen-atom abstraction from macrocyclic uranyl complexes using either boranes or silanes. A significant degree of multiple U 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 1111111111111111111111111111111111 1111111111111111111111111111111111 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 1111111111111111111111111111111111 1111111111111111111111111111111111 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 O bonding is evident throughout the U2O3 core, but either trans-,cis- or trans-,trans-OUOUO motifs can be isolated as boron- or silicon-capped oxo complexes. Further controlled deoxygenation of the borylated system is also possible.

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9. Donor-extended tripodal pyrroles: encapsulation, metallation, and H-bonded tautomersThis article is part of a ChemComm ‘Supramolecular Chemistry’ web-based themed issue marking the International Year of Chemistry 2011.Electronic supplementary information (ESI) available: Full experimental data. CCDC 816434–816437. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c1cc11378j

Author

John S. Hart, Fraser J. White, and Jason B. Love

Subjects
PYRROLES, MICROENCAPSULATION, HYDROGEN bonding, ELECTRON donor-acceptor complexes, TAUTOMERISM, METAL complexes, PROTON transfer reactions, IMINES
Abstract

A tripodal iminopyrrole provides an environment suited to the encapsulation of water through hydrogen-bonding, and the formation of metal complexes by deprotonation and imine–pyrrole tautomerisation. [ABSTRACT FROM AUTHOR]

Published
2011
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10. Theoretical predictions of cofacial bis(actinyl) complexes of a stretched Schiff-base calixpyrrole ligandElectronic supplementary information (ESI) available: Chart and the literature on CCI, tables of geometry parameters and bond orders of mono- and binuclear complexes, table of formation reactions, and figures of the free energies of formation reactions for actinyl(v) complexes and simulated vibrational spectra. See DOI: 10.1039/c1cc10979k

Author

Qing-Jiang Pan, Georg Schreckenbach, Polly L. Arnold, and Jason B. Love

Subjects
SCHIFF bases, TRANSITION metal complexes, PYRROLES, LIGANDS (Chemistry), MACROCYCLIC compounds, DENSITY functionals, RELATIVISTIC mechanics
Abstract

Actinyl and actinyl-transition metal complexation by a polypyrrolic macrocycle with anthracenyl linkers between the N4-donor compartments was evaluated using relativistic density functional theory which predicts that a highly unusual cofacial bis-actinyl structure complex is stable. [ABSTRACT FROM AUTHOR]

Published
2011
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11. Hexagonal wheel formation through the hydrogen-bonded assembly of cobalt Pacman complexesElectronic supplementary information (ESI) available: Full experimental data. CCDC 795242–795244. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c0cc04883f

Author

James W. Leeland, Fraser J. White, and Jason B. Love

Subjects
MACROCYCLIC compounds, HYDROGEN bonding, COBALT, CRYSTALLOGRAPHY, SCHIFF bases, PYRROLES
Abstract

A cobalt aquo-hydroxo complex of a ditopic Schiff-base pyrrole–crown ether macrocycle has been prepared and forms a rigid Pacman-clefted structure that assembles through hydrogen-bonding into a hexagonal wheel motif in the solid state. [ABSTRACT FROM AUTHOR]

Published
2011
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12. A DFT study of the single electron reduction and silylation of the U–O bond of the uranyl dication in a macrocyclic environmentElectronic supplementary information (ESI) available: Computational details and Cartesian coordinates of the optimized structures. See DOI: 10.1039/b900571d

Author

Ahmed Yahia, Polly L. Arnold, Jason B. Love, and Laurent Maron

Subjects
CHEMICAL reduction, DENSITY functionals, SILYLATION, CHEMICAL bonds, MACROCYCLIC compounds, SOLUTION (Chemistry), TETRAHYDROFURAN
Abstract

A DFT study of the reduction and silylation of the uranyl U–O bond in a macrocyclic complex shows the importance of the initial dipotassiation in THF solution, and a slightly downhill reaction pathway for the oxo group functionalisation. [ABSTRACT FROM AUTHOR]

Published
2009
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