Výsledky vyhledávání - "Mark W. Whiteley"

Synthesis, structure and redox chemistry of the aminoallenylidene complex [Mo{C C C(Me)NEt2}(dppe)(η-C7H7)][BPh4]

Autor: James Raftery, Hawa Gerriow, Sebastian Mjörnstedt, Mark W. Whiteley, Huriyyah A. Alturaifi, Josef B. G. Gluyas, Paul J. Low

Publikováno v: Alturaifi, H, Gerriow, H, Gluyas, J, Mjornstedt, S, Raftery, J, Low, P & Whiteley, M W 2017, ' Synthesis, Structure and Redox Chemistry of the Aminoallenylidene Complex [Mo{C=C=C(Me)NEt 2 }(dppe)(eta-C 7 H 7 )]BPh 4 ', Journal of Organometallic Chemistry, vol. 827, pp. 15-22 . https://doi.org/10.1016/j.jorganchem.2016.10.039

The reaction of [MoBr(dppe)(η-C7H7)] (dppe = Ph2PCH2CH2PPh2) with HC CC CSiMe3 and Na[BPh4] in 1:1 NHEt2/THF as solvent yields the aminoallenylidene complex [Mo{C C C(Me)NEt2}(dppe)(η-C7H7)][BPh4], [1][BPh4]. The reaction likely proceeds via nucleo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2896eaa1c90f154c4980a7858cdd347a
https://doi.org/10.1016/j.jorganchem.2016.10.039

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Iron versus Ruthenium Clarifying the Electronic Differences between Prototypical Mixed-Valence Organometallic Butadiyndiyl Bridged Molecular Wires

Autor: Mark W. Whiteley, Simon Gückel, Alexandre N. Sobolev, Claude Lapinte, Josef B. G. Gluyas, Martin Kaupp, Jean-François Halet, Sarah El-Tarhuni, Paul J. Low

Publikováno v: Organometallics
Organometallics, 2018, 37 (9), pp.1432-1445. ⟨10.1021/acs.organomet.8b00099⟩
Organometallics, American Chemical Society, 2018, 37 (9), pp.1432-1445. ⟨10.1021/acs.organomet.8b00099⟩

International audience; The electronic structures of the prototypical bimetallic buta-1,3-diyn-1,4-diyl-bridged radical cation complexes [{M(dppe)Cp'}(2)(mu-C CC C)](+) (M= Fe, Cp' = Cp* (1a), Cp (1b); M = Ru, Cp' = Cp* (2a), Cp (2b)) have been (re)i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b912838c5bcd750170bda5e0426346e3
https://univ-rennes.hal.science/hal-01807083

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Electronic structure and spectroscopy of the cycloheptatrienyl molybdenum halide complexes [MoBrL2(η-C7H7)]+ (L2= 2CO, n= 0; L2= 2,2′-bipyridyl, n= 0 or 1)

Autor: Mark W. Whiteley, Kathryn A.E. Roberts, Neil J. Brown, Paul J. Low, Hannah N. Roberts, Joseph J. W. McDouall

Publikováno v: Polyhedron. 86:89-97

DFT calculations at the B3LYP/Def2-SVP level have been conducted on the half-sandwich cycloheptatrienyl molybdenum complexes [Mo(CO)(3)(eta-C7H7)(+), [1](+) and [MoBrL2(eta-C7H7)](n+) (L-2= 2 CO, n = 0, 2; L-2= bpy, n = 0, 3; L-2 = bpy, n = 1, [3](+)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4659de42cec165e735da17b9c5c7e5c2
https://doi.org/10.1016/j.poly.2014.05.027

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Synthesis and solvent induced halide exchange of the electron rich, half sandwich complexes [FeI(dppe)Cp] and [MoX(dppe)(η7-C7H7)] (X = Br, Cl; dppe = Ph2PCH2CH2PPh2)

Autor: Mark W. Whiteley, Mohammed H. Kawser, Sarah El-Tarhuni, Monica Ho, Saiqin Shi

Publikováno v: Journal of Organometallic Chemistry. 752:30-36

Improved synthetic routes to [FeI(dppe)Cp], and [MoX(dppe)(η7-C7H7)] (X = Br, Cl) are described. [FeI(CO)2Cp] reacts with dppe in refluxing toluene to give multi-gram quantities of [FeI(dppe)Cp], 3 without the need for photochemical activation. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8ddafba14a99a60310a673d64d39f5a8
https://doi.org/10.1016/j.jorganchem.2013.11.027

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Synthesis and redox chemistry of cycloheptatrienyl molybdenum carbon-chain complexes featuring diimine support ligands: [Mo{(CC)nCCR}(R′NCH–CHNR′)(η-C7H7)], (n = 0 or 1)

Autor: James Raftery, Mark W. Whiteley, Huriyyah A. Alturaifi, David Collison, James Faulkner, Floriana Tuna

Publikováno v: Journal of Organometallic Chemistry. :251-257

The alkynyl complexes [Mo(C CR)(R′-dab)(η-C7H7)] (dab = diazabutadiene; R′ = tBu, R = Ph, 2a; C6H4–4-Me, 3a; tBu, 4a; R′ = C6H4–4-Me, R = Ph, 2b) have been synthesised by reaction of [MoBr(R′-dab)(η-C7H7)] with LiC CR in thf. Crystallog

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9920df104f8618667437b819fd9404d9
https://doi.org/10.1016/j.jorganchem.2013.07.073

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Synthesis of Cyclopentadienyl Iron Alkoxycarbene Complexes via Vinylidene Intermediates: X-ray Structures of [Fe{C(OMe)Me}(dppe)Cp][I] and [Fe{C(CH2)3O}(dppe)Cp][PF6]

Autor: Mark W. Whiteley, Jaskirit K. Randhawa, Charlotte Morrill, James Raftery, Letícia M. Manhães, Sarah El-Tarhuni

Publikováno v: Tarhuni, S, Manhaes, L M, Morrill, C, Raftery, J, Randhawa, J K & Whiteley, M 2016, ' Synthesis of Cyclopentadienyl Iron Alkoxycarbene Complexes via Vinylidene Intermediates: X-ray Structures of [Fe{C(OMe)Me}(dppe)Cp][I] and [Fe{C(CH2)3O}(dppe)Cp][PF6] ', Journal of Organometallic Chemistry, vol. 811, pp. 20-25 . https://doi.org/10.1016/j.jorganchem.2016.03.008

The reaction of [FeI(dppe)Cp], 1 (dppe Ph2PCH2CH2PPh2) with HC≡CSiMe3 in refluxing methanol results in formation of a mixture of the vinylidene complex [Fe( C CH2)(dppe)Cp]+, 2 and the heteroatom stabilised alkoxycarbene [Fe{C(OMe)Me}(dppe)Cp]+, 3.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e1d4c3726f642d4e55167f9418caf1e1
https://www.research.manchester.ac.uk/portal/en/publications/synthesis-of-cyclopentadienyl-iron-alkoxycarbene-complexes-via-vinylidene-intermediates-xray-structures-of-fecomemedppecpi-and-fecch23odppecppf6(528f6c96-9b96-41e7-b3a5-3fb62fade9f7).html

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Synthesis, Redox Chemistry, and Electronic Structure of the Butadiynyl and Hexatriynyl Complexes [Mo{(C≡C)nC≡CR}(L2)(η-C7H7)]z+ (n = 1, 2; z = 0, 1; R = SiMe3, H; L2 = 2,2′-bipyridine, Ph2PCH2CH2PPh2)

Autor: David Collison, Ruth Edge, Hannah N. Roberts, Neil J. Brown, Emma C. Fitzgerald, Mark W. Whiteley, Yien T. Ta, Paul J. Low

Publikováno v: Organometallics. 31:6322-6335

Two series of extended carbon chain butadiynyl and hexatriynyl complexes, [Mo{(C≡C)nC≡CSiMe3}(bpy)(η-C7H7)] (n = 1, 2; bpy = 2,2′-bipyridine) and [Mo{(C≡C)nC≡CR}(dppe)(η-C7H7)] (n = 1, R = H, SiMe3; n = 2, R = SiMe3; dppe = Ph2PCH2CH2PPh2

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::653eb616eee836f319737897b59afdcb
https://doi.org/10.1021/om3005756

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Orbital Symmetry Control of Electronic Coupling in a Symmetrical, All-Carbon-Bridged 'Mixed Valence' Compound: Synthesis, Spectroscopy, and Electronic Structure of [{Mo(dppe)(η-C7H7)}2(μ-C4)]n+ (n = 0, 1, or 2)

Autor: Neil J. Brown, Mark W. Whiteley, Floriana Tuna, Andrew Beeby, Paul J. Low, David Collison, Emma C. Fitzgerald, Madeleine Helliwell, Ruth Edge, Hannah N. Roberts

Publikováno v: Organometallics. 31:157-169

The cycloheptatrienyl molybdenum alkynyl complex [Mo(C≡CH)(dppe)(η-C7H7)], 1 (dppe = Ph2PCH2CH2PPh2), undergoes oxidative dimerization on reaction with [FeCp2]PF6 in thf at −78 °C to give the bis(vinylidene) [{Mo(dppe)(η-C7H7)}2(μ-C═CH-CH�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5e313c8bbe321337abfb4012840875c3
https://doi.org/10.1021/om200712m

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Synthesis, Redox Chemistry, and Electronic Structure of the Alkynyl Cyclopentadienyl Molybdenum Complexes [Mo(C≡CR)(CO)(L2)Cp′]n+ (n = 0 or 1; R = Ph or C6H4-4-Me, L2 = Ph2PCH2CH2PPh2 or 2PMe3, Cp′ = Cp or Cp*)

Autor: Mark W. Whiteley, Paul J. Low, Ross Lewin, David Collison, Neil J. Brown, Ruth Edge, Hannah N. Roberts

Publikováno v: Organometallics. 30:3763-3778

Two series of bis-phosphine-substituted cyclopentadienyl molybdenum alkynyl complexes, [Mo(C≡CR)(CO)(dppe)Cp′] and trans-[Mo(C≡CR)(CO)(PMe3)2Cp′] (R = Ph or C6H4-4-Me, dppe = Ph2PCH2CH2PPh2, Cp′ = Cp or Cp*), have been prepared and structur

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::60c4afe59ac5d7cfecfa260e6d3b370a
https://doi.org/10.1021/om200229c

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Synthesis, spectroscopy and electronic structure of the vinylidene and alkynyl complexes [W(CCHR)(dppe)(η-C7H7)]+and [W(CCR)(dppe)(η-C7H7)]n+(n = 0 or 1)

Autor: Laura Carthy, Hannah N. Lancashire, Mark W. Whiteley, Emma C. Fitzgerald, Mark A. Holden, Madeleine Helliwell, David Collison, Neil J. Brown, Paul J. Low, Joseph J. W. McDouall, Ruth Edge

Publikováno v: Dalton Trans.. 40:1267-1278

The first examples of vinylidene complexes of the cycloheptatrienyl tungsten system [W(C=CHR)(dppe)(η-C₇H₇)](+) (dppe = Ph₂PCH₂CH₂PPh₂; R = H, 3; Ph, 4; C₆H₄-4-Me, 5) have been synthesised by reaction of [WBr(dppe)(η-C₇H₇)], 1,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::be818465ed0bb2dacf0d391b7266538d
https://doi.org/10.1039/c0dt01150a

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