Výsledky vyhledávání - "Michael C Popham"

Primary and secondary coordination of crown ethers to scandium(iii). Synthesis, properties and structures of the reaction products of ScCl3(thf)3, ScCl3·6H2O and Sc(NO3)3·5H2O with crown ethers

Autor: Michael Webster, Gillian Reid, Michael C Popham, Michael D. Brown, David C. Murray, William Levason

Publikováno v: Dalton Transactions. :857-865

The synthesis and spectroscopic characterisation of [ScCl(15-crown-5)(MeCN)][SbCl6]2, [ScCl2(18-crown-6)][FeCl4] and [ScCl2([15]aneS2O3)][FeCl4] ([15]aneS2O3 = 1,4-dithia-7,10,13-trioxacyclopentadecane) are reported, the last containing the first exa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1f240887a142739dc3cc6420b9d25880
https://doi.org/10.1039/b210458j

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Crown ether complexes of titanium(iv) chloride and bromide and the structures of the hydrolysis products [Ti2Cl6(µ-O)(18-crown-6)2] and [Ti4Cl8(µ-O)4(15-crown-5)4]

Autor: Michael C Popham, Michael Webster, Gillian Reid, William Levason

Publikováno v: Dalton Transactions. :291-294

The titanium(IV) complexes of 12-crown-4, 15-crown-5 and 18-crown-6 and of 1,4-dithia-7,10,13-trioxacyclopentadecane (L′) of type [TiX4(η2-L)] (X = Cl or Br, L = 15-crown-5 or 18-crown-6; X = Br, L = 12-crown-4) and [TiCl4(L′)] have been prepare

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b17e91954618a2ce965fb43e1bc95466
https://doi.org/10.1039/b210012f

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Scandium halide complexes of phosphine- and arsine-oxides: synthesis, structures and 45Sc NMR studies

Autor: Michael C Popham, Nicholas J. Hill, Michael Webster, Gillian Reid, William Levason

Publikováno v: Polyhedron. 21:1579-1588

The reactions of ScCl(3)(.)6H(2)O, ScBr(3)(.)6H(2)O and Scl(3)(.)8H(2)O with Ph3PO, Ph3AsO, Ph2MePO, Me3PO and Me3AsO have been examined in EtOH or Me2CO solution. The new complexes [ScCl(Me3PO)(5)]Cl-2, [Sc(Me3PO)(6)]X-3 (X = Br or 1), [ScX,(Ph3PO)4

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8be88ce7adc96bcab4a40f0c44ea64cb
https://doi.org/10.1016/s0277-5387(02)01016-1

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Yttrium halide complexes of phosphine- and arsine oxides: synthesis, multinuclear NMR and structural studies

Autor: Michael Webster, Michael C Popham, Nicholas J. Hill, William Levason, Gillian Reid

Publikováno v: Polyhedron. 21:445-455

The reactions of YCl3.6H(2)O, YBr3.6H(2)O and YI3.8H(2)O with Ph3PO, Ph3AsO, Ph2MePO, Me3PO, Me3AsO, o-C6H4{P(O)Ph-2}(2), (ppO(2)) and Ph2P(O)CH2P(O)Ph-2 (dppmO(2)) have been examined in EtOH or Me2CO solution. Complexes isolated in the solid state i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7e1207b86e30ad4728e5b954a7fcb0a0
https://doi.org/10.1016/s0277-5387(01)01011-7

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Scandium, yttrium and lanthanum nitrate complexes of tertiary arsine oxides: synthesis and multinuclear spectroscopic studies. X-ray structures of [M(Me3AsO)6](NO3)3 (M=Sc or Y), [Sc(Ph3AsO)3(NO3)2]NO3, [M″(Ph3AsO)4(NO3)2]NO3 (M″=Y or La) and [La(Ph3AsO)2(EtOH)(NO3)3]

Autor: William Levason, Bhavesh Patel, Michael C Popham, Michael Webster, Gillian Reid

Publikováno v: Polyhedron. 20:2711-2720

The reaction of Ph3AsO with Sc(NO3)(3). 5H(2)O, Y(NO3)(3). 6H(2)O or La(NO3)(3). 6H(2)O in acetone gave [Sc(Ph3AsO)(2)(NO3)(3)], [Y(Ph3AsO)(4)(NO3)(2)]NO3, [La(Ph3AsO)(4)(NO3)(2)]NO3, and [La(Ph3AsO)(3)(NO3)(3)], whilst from ethanol solution [Sc(Ph3A

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d8d8a9ee971c2bd74f822d6df95b2146
https://doi.org/10.1016/s0277-5387(01)00889-0

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Lanthanide nitrate complexes of diphenylmethylphosphine oxide: synthesis and spectroscopic studies. Crystal structures of [La(Ph2MePO)3(NO3)3], [La(Ph2MePO)4(NO3)3]·xMe2CO and [Yb(Ph2MePO)4(NO3)2]PF6

Autor: Michael Webster, Matthew Bosson, Michael C Popham, William Levason, Tajesh Patel

Publikováno v: Polyhedron. 20:2055-2062

The reaction of Ln(NO3)3·6H2O (Ln=lanthanide except Pm) with Ph2MePO in a 1:3 or 1:4 ratio in acetone or ethanol produces [Ln(Ph2MePO)3(NO3)3] which have been characterised by analysis, IR, 1H and 31P{1H} NMR spectroscopy and conductance measurement

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::236da173d73adcf03a920544d7771fd6
https://doi.org/10.1016/s0277-5387(01)00796-3

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Syntheses, structures and multinuclear NMR (45Sc, 89Y, 31P) studies of Ph3PO, Ph2MePO and Me3PO complexes of scandium and yttrium nitrates

Autor: Lucy Deakin, Michael C Popham, Gillian Reid, Michael Webster, William Levason

Publikováno v: Journal of the Chemical Society, Dalton Transactions. :2439-2447

The reactions of the tertiary phosphine oxides Ph3PO, Ph2MePO or Me3PO with hydrated yttrium(III) nitrate in ethanol gave the complexes [Y(R3PO)2(EtOH)(NO3)3] (R3PO = Ph3PO or Ph2MePO), [Y(Me3PO)2(H2O)(NO3)3], [Y(R3PO)3(NO3)3] (R3PO = Ph3PO, Ph2MePO

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bfedc2282f4c3484588ee99290d0705d
https://doi.org/10.1039/b001669l

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