Výsledky vyhledávání - "John A. Klepetko"

Autor: Peter Turner, Masoud Faroughi, John A. Klepetko, Andrew C. Try

Publikováno v: Tetrahedron Letters. 48:6548-6551

The first synthesis of Troger’s base analogues bearing three and four atoms in the apical strap is reported, leading to a dramatic change in the shape of the aromatic scaffold with respect to the Troger’s base framework.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::42a5a3cd42aebf4717cc1f01d2c82602
https://doi.org/10.1016/j.tetlet.2007.07.045

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The chemistry of cobalt acetate. VIII. New members of the family of oxo-centred trimers, [Co3(μ3-O)(μ-O2CCH3)5−(μ-OR) L5]2+ (R=H, alkyl, L=ligand, p=0–4). The preparation and characterisation of the trimeric tetrakis(μ-acetato)-(μ-hydroxo)-μ3-oxo-pentakis(pyridine)-tri-cobalt(III) hexafluorophosphate, [Co3(μ3-O)(μ-O2CCH3)4(μ-OH)(C5H5N)5][PF6]2, and the preparation and crystal structure of the trimeric tris(μ-acetato)-(μ-hydroxo)-(μ-methoxo)-μ3-oxo-pentakis(pyridine)-tri-cobalt(III) hexafluorophosphate·methanol·water solvate [Co3(μ3-O)(μ-O2CCH3)3(μ-OH)(μ-OCH3)(C5H5N)5][PF6]2·CH3OH·0.25H2O

Autor: James K. Beattie, John A. Klepetko, Anthony F. Masters, Peter Turner

Publikováno v: Polyhedron. 22:947-965

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::38462db8e086ed684cdd2bcf8da78424
https://doi.org/10.1016/s0277-5387(02)01437-7

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The chemistry of cobalt acetate—IV. The isolation and crystal structure of the symmetric cubane, tetrakis[(μ-acetato)(μ3-oxo) (pyridine)cobalt(III)] · chloroform solvate, [Co4(μ3-O)4(μ-CH3CO2)4(C5H5N)in4] · 5CHCl3 and of the dicationic partial cubane, trimeric, [(μ-acetato)(acetato)tris(μ-hdyroxy(μ3-oxo) hexakispyridinetricobalt(III)]hexafluorophosphate · water solvate, [Co3(μ3-O)(μ-OH)3(μ-CH3CO2(CH3CO2(C5H5N)6[PF6]2 · 2H2O

Autor: John A. Klepetko, James K. Beattie, Trevor W. Hambley, Anthony F. Masters, Peter Turner

Publikováno v: Polyhedron. 17:1343-1354

The isolation from “cobalt(III) acetate” and characterisation by single crystal X-ray diffraction (refined to R = 0.087, Rw = 0.084) of the symmetric neutral cubane, [Co4(μ3-O)4(μ-CH3CO2)4(C5H5N)4], and of the hexafluorophosphate salt (refined

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::34d2b62d7fcbe68333a6bcce31ade4fd
https://doi.org/10.1016/s0277-5387(97)00300-8

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Ein CoIII-MCM 41-Heterogenkatalysator für die selektive Niedertemperatur-Oxidation von Cyclohexan zu Cyclohexanon

Autor: Thomas Maschmeyer, John A. Klepetko, C. Richard A. Catlow, Ian J. Shannon, James K. Beattie, Gopinathan Sankar, John Meurig Thomas, Richard D. Oldroyd, Anthony F. Masters

Publikováno v: Angewandte Chemie. 109:1713-1716

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cb4859025fb9183ec3636254b548ed0f
https://doi.org/10.1002/ange.19971091521

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An EXAFS study of methyl-substituted benzene chromium tricarbonyl complexes

Autor: Manuel J. Aroney, Thomas Maschmeyer, A.F. Masters, John A. Klepetko, D.A. Niles, C.M. Barnes, Robert S. Armstrong

Publikováno v: Journal of Molecular Structure. 406:219-222

An extended X-ray absorption fine structure (EXAFS) study is presented of the complexes (η6-C6H6−nMen)Cr(CO)3, where n = 0–6, to determine the molecular structures and explore the variation in electron charge density on chromium with sequential

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::30a2bc9d02bb3715709ec7bdd268caee
https://doi.org/10.1016/s0022-2860(97)90229-5

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The chemistry of cobalt acetate: The isolation and crystal structure of the symmetric trimer,hexakis(μ-acetato)-μ3-oxo-tris(pyridine)tricobalt(III) perchlorate water solvate, [Co3O(CH3CO2)6(C5H5N)3][CiO4]·H2O

Autor: Peter Turner, Trevor W. Hambley, John A. Klepetko, James K. Beattie, Anthony F. Masters

Publikováno v: Polyhedron. 15:2141-2150

The isolation and characterization by single-crystal X-ray diffraction (refined toR = 0.066, Rw = 0.058) of the perchlorate salt of the symmetric trimeric cation, [Co3O(CH3 CO2)6(C5H5N)3]+, are reported. The compound crystallizes in space groupP21/n

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b3a0e7d112f579a425108aad56a82882
https://doi.org/10.1016/0277-5387(95)00489-0

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The isolation and crystal structure of the powerful Lewis acid, planar tetrakispyridine cobalt(II), [Co(C5H5N)4]2+, as its mixed chloride hexafluorophosphate salt

Autor: Trevor W. Hambley, Anthony F. Masters, Peter Turner, James K. Beattie, John A. Klepetko

Publikováno v: Polyhedron. 15:473-479

The isolation and characterization of [Co(C 5 H 5 N) 4 ](Cl)(PF 6 )·2C 5 H 5 N by single-crystal X-ray diffraction [refined to R =0.079, R w =0.049] are reported. The crystals were isolated in low yield from the products of the reaction between coba

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e0d9dca6a57448a2fb452fe5a0a25623
https://doi.org/10.1016/0277-5387(95)00233-i

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Diethyl 4,10-dibromo-5,11-methano-6H,12H-dibenzo[b,f][1,5]diazocine-2,8-dicarboxylate

Autor: M. Delower H. Bhuiyan, Andrew C. Try, John A. Klepetko, Peter Turner

Publikováno v: Acta Crystallographica Section E Structure Reports Online. 62:o4887-o4888

In the molecule of the title compound, C21H20Br2N2O4, the 4,10-dibromo-2,8-diethyl ester analogue of Troger's base, the diazocine bridge imparts a twist such that the two aryl rings are offset with respect to one another. A twofold rotation axis

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dc8eab05e9fa5feb95ce52781d09a400
https://doi.org/10.1107/s1600536806040505

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Supramolecular self-assembly of a toroidal inclusion complex, [NH4][Co8(MeCO2)8(OMe)16][PF6]

Autor: John A. Klepetko, Peter Turner, James K. Beattie, Trevor W. Hambley

Publikováno v: Chemical Communications. :45-46

Diamagnetic [NH4][Co8(MeCO2)8(OMe)16][PF6], a compound with eight cobalt atoms bridged by methoxy and acetato ligands so as to form a planar ring with an ammonium ion at its centre, is isolated from the reaction between cobalt(III) acetate and methan

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::81115594a1350fad4477447f709ed847
https://doi.org/10.1039/a707228g

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