Výsledky vyhledávání - "Jean-François Capon"

Electrochemical and Theoretical Investigations of the Role of the Appended Base on the Reduction of Protons by [Fe2(CO)4(κ2-PNPR)(μ-S(CH2)3S] (PNPR={Ph2PCH2}2NR, R=Me, Ph)

Autor: Jean-François Capon, Fatma Matoussi, Sélim Mahfoudhi, François Y. Pétillon, Giuseppe Zampella, Sondes Lounissi, Philippe Schollhammer, Jean Talarmin, Luca De Gioia

Publikováno v: Chemistry - A European Journal. 18:11123-11138

The behavior of [Fe(2)(CO)(4)(κ(2)-PNP(R))(μ-pdt)] (PNP(R) =(Ph(2)PCH(2))(2)NR, R=Me (1), Ph (2); pdt=S(CH(2))(3)S) in the presence of acids is investigated experimentally and theoretically (using density functional theory) in order to determine th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f9bc1eef2aaa94881c827c35185adaf7
https://doi.org/10.1002/chem.201201087

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Electrochemical and Theoretical Studies of the Impact of the Chelating Ligand on the Reactivity of [Fe2(CO)4(κ2-LL)(μ-pdt)]+ Complexes with Different Substrates (LL = IMe-CH2-IMe, dppe; IMe = 1-Methylimidazol-2-ylidene)

Autor: Jean Talarmin, Luca De Gioia, Philippe Schollhammer, Dounia Chouffai, François Y. Pétillon, Giuseppe Zampella, Alan Le Goff, Jean-François Capon

Publikováno v: Organometallics. 31:1082-1091

The reactivity of [Fe2(CO)4(κ2-LL)(μ-pdt)]+ complexes (pdt = S(CH2)3S, propanedithiolate) with different substrates L′ (L′ = CO, MeCN, P(OMe)3) was investigated electrochemically in order to assess the influence of the chelating ligand κ2-LL (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::86e0a75701f6c435bc0828460c66f88e
https://doi.org/10.1021/om201143p

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Reactivity of [Fe2(CO)6(μ-S2)] toward a Base-Containing Diphosphine (Ph2PCH2)2NCH3: Formation of Diiron Carbonyl Compounds Having Polydentate Heterofunctionalized Phosphine (PNS = Ph2PCH2N(CH3)CH2S) and Bidentate Thiophosphinito (Ph2PS = PS) Bridges

Autor: Sondes Lounissi, Jean Talarmin, François Y. Pétillon, Frédéric Gloaguen, Fatma Matoussi, Philippe Schollhammer, Jean-François Capon

Publikováno v: Organometallics. 29:1296-1301

Reaction of the base-containing diphosphine (Ph2PCH2)2NCH3 with [Fe2(CO)6(μ-S2)] (1) yielded at room temperature the novel compound [Fe2(CO)4(μ-κ1:κ1-SPPh2){μ-κ2:κ2-SCH2N(Me)CH2PPh2}] (2) resulting from S−S and P−C bond cleavage concomitan

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::076d915570cbbce78095ddfe7bf52598
https://doi.org/10.1021/om9011054

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Effect of Electron-Withdrawing Dithiolate Bridge on the Electron-Transfer Steps in Diiron Molecules Related to [2Fe]H Subsite of the [FeFe]-Hydrogenases

Autor: Philippe Schollhammer, Frédéric Gloaguen, Jean Talarmin, François Y. Pétillon, Jean-François Capon, Kévin Charreteur, Mohamed Kdider

Publikováno v: Inorganic Chemistry
Inorganic Chemistry, American Chemical Society, 2010, 49 (5), pp.2496-2501. ⟨10.1021/ic902401k⟩

International audience; Two hexacarbonyl diiron compounds featuring dithiolate bridges with strong electron-withdrawing groups (CO2Me, tetrachloro-biphenyl) were synthesized and structurally characterized. Electrochemical study of these compounds dem

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0fb2589dccfc2f27c9933b98e281510f
https://doi.org/10.1021/ic902401k

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Electrochemical study of the role of a H-bridged, unsymmetrically disubstituted diiron complex in proton reduction catalysis

Autor: Frédéric Gloaguen, Jean-François Capon, Nicolas Dumontet, Salah Ezzaher, Jean Talarmin, François Y. Pétillon, Philippe Schollhammer

Publikováno v: Journal of Electroanalytical Chemistry
Journal of Electroanalytical Chemistry, Elsevier 2009, 626 (1-2), pp.161-170. ⟨10.1016/j.jelechem.2008.12.005⟩

The electrochemical behaviour of the unsymmetrically disubstituted [Fe 2 (CO) 4 (κ 2 -dppe)(μ-pdt)(μ-H)] + ( 1μH + ) complex was studied by cyclic voltammetry (CV) in MeCN– and CH 2 Cl 2 –[NBu 4 ][PF 6 ] both in the absence and in the presenc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0dcec7d2ca16d0cb96fcb9521ebcaa32
https://doi.org/10.1016/j.jelechem.2008.12.005

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Electrochemical Insights into the Mechanisms of Proton Reduction by [Fe2(CO)6{μ-SCH2N(R)CH2S}] Complexes Related to the [2Fe]H Subsite of [FeFe]Hydrogenase

Autor: François Y. Pétillon, Philippe Schollhammer, Salah Ezzaher, Jean Talarmin, Jean-François Capon, Frédéric Gloaguen

Publikováno v: Chemistry-A European Journal
Chemistry-A European Journal, Wiley-VCH Verlag, 2008, 14 (6), pp.1954-1964. ⟨10.1002/chem.200701454⟩

Electrochemical investigations on a structural analogue of the [2Fe](H) subsite of [FeFe]H(2)ases, namely, [Fe(2)(CO)(6){micro-SCH(2)N(CH(2)CH(2)- OCH(3))CH(2)S}] (1), were conducted in MeCN/NBu(4)PF(6) in the presence of HBF(4)/Et(2)O or HOTs. Two d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cf330141c83780c9186bfaadc2af7c7c
https://doi.org/10.1002/chem.200701454

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Electron-Transfer-Catalyzed Rearrangement of Unsymmetrically Substituted Diiron Dithiolate Complexes Related to the Active Site of the [FeFe]-Hydrogenases

Autor: Jean Talarmin, Philippe Schollhammer, Salah Ezzaher, Jean-François Capon, Frédéric Gloaguen, François Y. Pétillon

Publikováno v: Inorganic Chemistry
Inorganic Chemistry, American Chemical Society, 2007, 46 (23), pp.9863-9872. ⟨10.1021/ic701327w⟩

International audience; Novel asymmetrically substituted azadithiolate compounds [Fe2(CO)4(κ2-dppe){μ-SCH2N(R)CH2S}] (R = iPr, 1a; CH2CH2OCH3, 1b; CH2C6H5, 1c) have been synthesized by treatment of [Fe2(CO)6(μ-adt)] [adt = SCH2N(R)CH2S, with R = i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7771ed28c2ae234176ce51f6130e3d9e
https://doi.org/10.1021/ic701327w

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Electrochemical proton reduction at mild potentials by monosubstituted diiron organometallic complexes bearing a benzenedithiolate bridge

Autor: Jean Talarmin, Philippe Schollhammer, Jean-François Capon, Frédéric Gloaguen, Didier Morvan

Publikováno v: Journal of Electroanalytical Chemistry
Journal of Electroanalytical Chemistry, Elsevier 2007, 603 (1), pp.15-20. ⟨10.1016/j.jelechem.2007.02.003⟩

International audience; To investigate the effects of CO-substitution on the thermodynamics and the kinetics of proton binding in benzenedithiolate-bridged diiron complexes, the monosubstituted derivative Fe2(bdt)(CO)5(P(OMe)3) (2) was prepared by a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a3fb7e97968553094ee297ccba0f8bba
https://doi.org/10.1016/j.jelechem.2007.02.003

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A Diferrous Dithiolate as a Model of the Elusive H ox inact State of the [FeFe] Hydrogenases: An Electrochemical and Theoretical Dissection of Its Redox Chemistry

Autor: François Y. Pétillon, Philippe Schollhammer, Jean-François Capon, Jean Talarmin, Giuseppe Zampella, Dounia Chouffai, Luca De Gioia

Publikováno v: Inorganic Chemistry
Inorganic Chemistry, American Chemical Society, 2015, 54 (1), pp.299-311. ⟨10.1021/ic5024746⟩

International audience; The reduction of the Fe(II)Fe(II) complex [Fe2(CO)2{P(OMe)3}2(κ2-IMe-CH2-IMe)(μ-CO)(μ-pdt)]2+ (2P2+; pdt = S(CH2)3S), which is a synthetic model of the H cluster of the [FeFe] hydrogenases in its inactive state, has been in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5c41780ab2bcfc1ce1934f3f464acdd5
https://hal.univ-brest.fr/hal-01538585

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Chemically modified electrode based on an organometallic model of the [FeFe] hydrogenase active center

Autor: Jean Talarmin, V. Vijaikanth, Jean-François Capon, Frédéric Gloaguen, Philippe Schollhammer

Publikováno v: Electrochemistry Communications, Vol 7, Iss 4, Pp 427-430 (2005)
Electrochemistry Communications
Electrochemistry Communications, Elsevier, 2005, 7 (4), pp.427-430. ⟨10.1016/j.elecom.2005.02.019⟩

A dithiolate-bridged diiron complex containing succinimide ester has been grafted on glassy carbon electrodes modified with either amine or aminophenyl groups. Covalent attachment of the complex through amide binding is confirmed by the linear depend

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::71072be180ef9e55132fe46014e0be8c
http://www.sciencedirect.com/science/article/pii/S1388248105000573

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