Zobrazeno 1 - 10 of 20 pro vyhledávání: '"Evan L. Werkema"'
1
Cleaving bonds in CH3OSO2CF3with [1,2,4-(Me3C)3C5H2]2CeH; an experimental and computational study
Autor: Odile Eisenstein, Richard A. Andersen, Laurent Maron, Evan L. Werkema, Ludovic Castro
Publikováno v: New Journal of Chemistry
New Journal of Chemistry, Royal Society of Chemistry, 2013, 37, pp.132-142. ⟨10.1039/C2NJ40624A⟩
New Journal of Chemistry, 2013, 37, pp.132-142. ⟨10.1039/C2NJ40624A⟩
International audience; The reaction at 20 °C of the metallocenelanthanide hydride, [1,2,4-(Me3C)3C5H2]2CeH, , and excess methyltrifluoromethanesulfonate, CH3OSO2CF3, results in formation of , , and the bimetallic complex . The metallocenes , , and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::49e0c2983a66df0deb5205fd66dd95f0
https://doi.org/10.1039/c2nj40624a
Zobrazit plný text záznamu
2
Selectivity in the C–H Activation Reaction of CH3OSO2CH3 with [1,2,4-(Me3C)3C5H2]2CeH or [1,2,4-(Me3C)3C5H2][1,2-(Me3C)2-4-(Me2CCH2)C5H2]Ce: To Choose or Not To Choose
Autor: Laurent Maron, Richard A. Andersen, Ludovic Castro, Odile Eisenstein, Evan L. Werkema
Publikováno v: Organometallics. 31:870-881
The experimental reaction of [1,2,4-(Me3C)3C5H2]2CeH, Cp′2CeH, and CH3OSO2CH3 begins by α-C–H activation of the SCH3 group, forming Cp′2CeCH2SO2(OCH3), which evolves into Cp′2CeOCH3 with elimination of CH2 (and presumably SO2). Prolonged hea
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ebc635799d91a6b371ff180b61e2e90e
https://doi.org/10.1021/om200842t
Zobrazit plný text záznamu
3
Intermediate-Valence Tautomerism in Decamethylytterbocene Complexes of Methyl-Substituted Bipyridines
Autor: Richard A. Andersen, Laurent Maron, Marc D. Walter, Daniel Kazhdan, Yung-Jin Hu, Eric D. Bauer, Corwin H. Booth, Evan L. Werkema, Martin Head-Gordon, Wayne W. Lukens, Odile Eisenstein
Publikováno v: Journal of the American Chemical Society
Journal of the American Chemical Society, American Chemical Society, 2010, 132, pp.17537-17549. ⟨10.1021/ja106902s⟩
Journal of the American Chemical Society, 2010, 132, pp.17537-17549. ⟨10.1021/ja106902s⟩
International audience; Multiconfigurational, intermediate valent ground states are established in several methyl-substituted bipyridine complexes of bis(pentamethylcyclopentadienyl)ytterbium, Cp2*Yb (Mex-bipy). In contrast to Cp2*Yb(bipy) and other
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::369f1d8b049ea0b28914af333c20c1a1
https://doi.org/10.1021/ja106902s
Zobrazit plný text záznamu
4
Hydrogen for X-Group Exchange in CH3X (X = Cl, Br, I, OMe, and NMe2) by Monomeric [1,2,4-(Me3C)3C5H2]2CeH: Experimental and Computational Support for a Carbenoid Mechanism
Autor: Richard A. Andersen, Evan L. Werkema, Laurent Maron, Odile Eisenstein, Ahmed Yahia
Publikováno v: Organometallics. 28:3173-3185
The reactions between [1,2,4-(Me3C)3C5H2]2CeH, referred to as Cp′2CeH, and CH3X, where X is Cl, Br, I, OMe, and NMe2, are described. The reactions fall into three distinct classes. Class a, where X = Cl, Br, and I, rapidly form Cp′2CeX and CH4 wi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::70a14edf9f9f7544856d2011d51d7748
https://doi.org/10.1021/om9001846
Zobrazit plný text záznamu
5
Fluorine for Hydrogen Exchange in the Hydrofluorobenzene Derivatives C6HxF(6-x), where x = 2, 3, 4 and 5 by Monomeric [1,2,4-(Me3C)3C5H2]2CeH: The Solid State Isomerization of [1,2,4-(Me3C)3C5H2]2Ce(2,3,4,5-C6HF4) to [1,2,4-(Me3C)3C5H2]2Ce(2,3,4,6-C6HF4)
Autor: Evan L. Werkema, Richard A. Andersen
Publikováno v: Journal of the American Chemical Society. 130:7153-7165
The reaction between monomeric bis(1,2,4-tri-tert-butylcyclopentadienyl)cerium hydride, Cp′2CeH, and several hydrofluorobenzene derivatives is described. The aryl derivatives that are the primary products, Cp′2Ce(C6H5-xFx) where x = 1,2,3,4, are
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c171768440eb95848d986c5a90426397
https://doi.org/10.1021/ja800639f
Zobrazit plný text záznamu
6
Preparation and Reactions of Base-Free Bis(1,2,4-tri-tert-butylcyclopentadienyl)uranium Oxide, Cp‘2UO
Autor: Guofu Zi, Li Jia, Evan L. Werkema, Marc D. Walter, Jochen P. Gottfriedsen, Richard A. Andersen
Publikováno v: Organometallics. 24:4251-4264
Reduction of the uranium metallocene [η5-1,2,4-(Me3C)3C5H2]2UCl2 (1), Cp‘2UCl2, in the presence of 2,2‘-bipyridyl and sodium naphthalene gives the dark green metallocene complex Cp‘2U(bipy) (6), which reacts with p-tolyl azide or pyridine-N-ox
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cba63dd7b166db75ee4438d4ff851531
https://doi.org/10.1021/om050406q
Zobrazit plný text záznamu
7
Hydrogen for Fluorine Exchange in C6F6and C6F5H by Monomeric [1,3,4-(Me3C)3C5H2]2CeH: Experimental and Computational Studies
Autor: Odile Eisenstein, Evan L. Werkema, Richard A. Andersen, Laurent Maron, Lionel Perrin
Publikováno v: Journal of the American Chemical Society. 127:279-292
The net reaction of monomeric Cp'(2)CeH [Cp' = 1,3,4-(Me(3)C)(3)(C(5)H(2))] in C(6)D(6) with C(6)F(6) is Cp'(2)CeF, H(2), and tetrafluorobenzyne. The pentafluorophenylmetallocene, Cp'(2)Ce(C(6)F(5)), is formed as an intermediate that decomposes slowl
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b82c6777b1a9bf51282a19d652b5ea3
https://doi.org/10.1021/ja0451012
Zobrazit plný text záznamu
8
Two [1,2,4-(Me3C)3-C5H2]2CeH molecules are involved in hydrogenation of pyridine to piperidine as shown by experiments and computations
Autor: Odile Eisenstein, Richard A. Andersen, Evan L. Werkema, Lionel Perrin
Publikováno v: Inorganic Chemistry
Inorganic Chemistry, 2014, 53, pp.6361-6373. ⟨10.1021/ic500133y⟩
Inorganic Chemistry, American Chemical Society, 2014, pp.6361-6373. ⟨10.1021/ic500133y⟩
Hydrogenation of pyridine to piperidine catalyzed by [1,2,4-(Me3C)3C5H2]2CeH, abbreviated as Cp'2CeH or [Ce]'-H, is reported. The reaction proceeds from Cp'2Ce(2-pyridyl), isolated from the reaction of pyridine with Cp'2CeH, to Cp'2Ce(4,5,6-trihydrop
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::717e90cfb9106ffc4a07c9609664c6c9
https://hal.science/hal-01024288
Zobrazit plný text záznamu
10
Splitting a C–O bond in dialkylethers with bis(1,2,4-tri-tert-butylcyclopentadienyl)cerium hydride does not occur by a σ-bond metathesis pathway: a combined experimental and DFT computational study
Autor: Ahmed Yahia, Odile Eisenstein, Richard A. Andersen, Laurent Maron, Evan L. Werkema
Publikováno v: New Journal of Chemistry
New Journal of Chemistry, 2010, pp.2189-2196. ⟨10.1039/C0NJ00261E⟩
New Journal of Chemistry, Royal Society of Chemistry, 2010, pp.2189-2196. ⟨10.1039/C0NJ00261E⟩
International audience; The addition of diethylether to [1,2,4(Me3C)3C5H2]2CeH, abbreviated Cp′2CeH, gives Cp′2CeOEt and ethane. Similarly, di-n-propyl- or di-n-butylether gives Cp′2Ce(O-n-Pr) and propane or Cp′2Ce(O-n-Bu) and butane, respect
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::53223fa752081094fc1e3255c61e6dd8
https://hal.science/hal-00529431
Zobrazit plný text záznamu

Vyhledávací nástroje:

Upřesnit hledání

Omezení vyhledávání
Plný text Recenzováno Digitální knihovna AV ČR
Zdroje