Výsledky vyhledávání - "Karen L. V. Mann"

Structural and Photophysical Properties of Mononuclear and Dinuclear Lanthanide(III) Complexes of Multidentate Podand Ligands Based on Poly(pyrazolyl)borates

Autor: Michael D. Ward, Leigh H. Rees, Nicola Armaroli, NC Harden, Karen L. V. Mann, and Sarah R. Starling, F. Barigelletti, Samantha M. Couchman, Gianluca Accorsi, Jon A. McCleverty, John C. Jeffery, James S. Fleming

Publikováno v: Inorganic Chemistry. 38:5769-5776

Lanthanide(III) complexes have been prepared with [L1]- [the tetradentate chelating ligand bis{3-(2-pyridyl)pyrazolyl}dihydroborate], [L2]- [the tetradentate chelating ligand bis{3-(2-pyrazinyl)pyrazolyl}dihydroborate], [L3]- [the hexadentate chelati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3b1cb2af69686bfdd01a687b302b90df
https://doi.org/10.1021/ic990708i

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Tetranuclear grid-like copper(II) complexes with pyrazolate bridges: syntheses, structures, magnetic and EPR spectroscopic properties

Autor: P.C. Riedi, Nicholas M. Harden, Elefteria Psillakis, Jon A. McCleverty, John C. Jeffery, Frank E. Mabbs, Graham Smith, Karen L. V. Mann, Eric J. L. McInnes, Dante Gatteschi, Leigh H. Rees, Federico Totti, Michael D. Ward

Publikováno v: Journal of the Chemical Society, Dalton Transactions. :339-348

Summarization: Reaction of 3-(2-pyridyl)pyrazole (HL1) and 6-(3-pyrazolyl)-2,29-bipyridine (HL2) with nickel(II) and zinc(II) salts afforded the simple mononuclear pseudo-octahedral complexes [M(HL1)3][PF6]2 and [M(HL2)2][PF6]2 respectively (M = Ni o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f77c4c0a446ccf228ed2c86b2ec71145
https://doi.org/10.1039/a807599i

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Copper(II) complexes of new potentially hexadentate N3S3- or N6-donor podand ligands based on the tris(pyrazolyl)borate or tris(pyrazolyl)methane core

Autor: Karen L. V. Mann, John P. Maher, John C. Jeffery, Zoe R. Reeves, Elizabeth R. Humphrey, Jon A. McCleverty, Michael D. Ward, Andreas Behrendt

Publikováno v: New Journal of Chemistry. 23:417-424

The mononuclear copper(II) complexes of the following potentially hexadentate podand ligands have been prepared and crystallographically characterised: tris[3-{2-(methylsulfanyl)phenyl}pyrazol-1-yl]hydroborate [L1]-, phenyltris[3-(2-pyridyl)pyrazol-1

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::03893f808144f737dd89f79f08432024
https://doi.org/10.1039/a809777a

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Synthesis of the new ligand bis[3-(2-pyrazinyl-pyrazol-1-yl) dihydroborate, and the crystal structures of its complexes with thallium(I) and lead(II)

Autor: Karen L. V. Mann, Michael D. Ward, John C. Jeffery, Jon A. McCleverty

Publikováno v: Polyhedron. 18:721-727

Reaction of 3-(2-pyrazinyl)pyrazole with KBH4 in a 21:1 ratio afforded the new ligand bis 3 , 2 , 1 dihydroborate [L]−a bis(pyrazolyl)borate in which each pyrazolyl ring is functionalised with a pyrazin-2-yl group at the C3 position[L]− is theref

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0ace861346b005333391fab634c2516c
https://doi.org/10.1016/s0277-5387(98)00345-3

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Lanthanide complexes of a new sterically hindered potentially hexadentate podand ligand based on a tris(pyrazolyl)borate core; crystal structures, solution structures and luminescence properties

Autor: Zoe R. Reeves, Michael D. Ward, Jon A. McCleverty, Karen L. V. Mann, John C. Jeffery, Nicola Armaroli, Francesco Barigelletti

Publikováno v: Journal of the Chemical Society, Dalton Transactions. :349-356

The new podand ligand hydrotris[3-(6-methyl)pyridin-2-ylpyrazol-1-yl]borate [L1]– was prepared which contains three bidentate pyrazolyl/pyridine arms attached to a {BH}– head-group. This ligand differs from an earlier ligand hydrotris[3-(2-pyridy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e9b18fc558cc4162375467f7351e64f1
https://doi.org/10.1039/a808724e

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Preparation of the new podand ligand SP(pzpy)3 [pzpy = 3-(2-pyridyl)-pyrazol-1-yl], and the syntheses and crystal structures of copper(II) and copper(I) complexes of its hydrolysis product [OSP(pzpy)2]−, and a double helical copper(I) complex of [O2P(pzpy)2]−

Autor: Elefteria Psillakis, Michael D. Ward, Karen L. V. Mann, James S. Fleming, Jon A. McCleverty, John C. Jeffery

Publikováno v: Polyhedron. 17:1705-1714

The new podand ligand SP(pzpy)3 [L1; pzypy = 3-(2-pyridyl)-pyrazol-1-yl], containing three bidentate pyrazolyl-pyridine arms linked to an apical PS group via the pyrazolyl N1 atoms, was prepared and crystallographically characterised. Reaction

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6e92fe3f6989e552cec81e7a2902205e
https://doi.org/10.1016/s0277-5387(97)00449-x

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Synthesis and co-ordination chemistry of the tetradentate chelating ligand 1,3-bis[3-(2-pyridyl)pyrazol-1-yl]propane: crystal structures of complexes with FeII, CuII, ZnII, AgI and PbII

Autor: John C. Jeffery, Michael D. Ward, Karen L. V. Mann, Jon A. McCleverty

Publikováno v: Journal of the Chemical Society, Dalton Transactions. :3029-3036

The new ligand 1,3-bis[3-(2-pyridyl)pyrazol-1-yl]propane (L) was prepared by reaction of 3-(2-pyridyl)pyrazole with 1,3-dibromopropane under phase-transfer conditions, and contains two bidentate chelating pyridyl/pyrazolyl fragments linked by a flexi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6f294468c2be0ba8adfa237b1fad1a9e
https://doi.org/10.1039/a804501a

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Double-helical dinuclear copper(I) and mononuclear copper(II) complexes of a compartmental tetradentate bridging ligand: crystal structures and spectroscopic properties

Autor: Karen L. V. Mann, John C. Jeffery, James S. Fleming, Michael D. Ward, Samantha M. Couchman, Jon A. McCleverty

Publikováno v: Journal of the Chemical Society, Dalton Transactions. :2047-2052

Reaction of 3-(2-pyridyl)pyrazole with α,α′-dibromoxylene affords a new tetradentate ligand L having two bidentate pyridyl-pyrazole compartments linked by an o-CH2C6H4CH2 spacer. With CuI, L forms a dinuclear double helicate [Cu2L2][PF6]2 in whic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::662fa4ecbcf0de291c4d2816a28dc83e
https://doi.org/10.1039/a802280a

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Synthesis and co-ordination chemistry of the compartmental tetradentate ligand bis[3-(2-pyridyl)pyrazol-1-yl]methane

Autor: Michael D. Ward, Jon A. McCleverty, Peter Thornton, Karen L. V. Mann, John C. Jeffery

Publikováno v: Journal of the Chemical Society, Dalton Transactions. :89-98

Reaction of 3-(2-pyridyl)pyrazole with CH2Br2 and NaOH under phase-transfer conditions afforded the new ligand bis[3-(2-pyridyl)pyrazol-1-yl]methane (L), containing two bidentate pyrazolyl-pyridine arms linked to a methylene spacer. The crystal struc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ec8520cf585284581430a5ee32878ad3
https://doi.org/10.1039/a706806i

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Complexes of main-group elements containing stereochemically active lone pairs: the crystal structures of [Tl(TpAn)] {TpAn=tris[3-(2-methoxyphenyl)pyrazol-1-yl]hydroborate} and [Pb(TpPy)(NO3)]·0.5Et2O {TpPy = tris[3,-(2-pyrdyl)pyrazol-1-yl]hydroborate}

Autor: John C. Jeffery, Karen L. V. Mann, Jon A. McCleverty, Michael D. Ward, Peter L. Jones

Publikováno v: Polyhedron. 16:2435-2440

The new podand ligand tris[3-(2-methoxyphenyl)pyrazol-1-yl]hydroborate (TpAn) has been prepared and the crystal structure of [Tl(TpAn)] determined. The metal ion is in a trigonal pyramidal geometry arising from the three pyrazolyl N-donors, with the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::edfb8040f479fd7a4e6e30637370b83d
https://doi.org/10.1016/s0277-5387(96)00573-6

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