Výsledky vyhledávání - "Diana R. Taylor"

Activation of H2 by halocarbonyl bis-phosphine and bis-arsine iridium(i) complexes. The use of parahydrogen induced polarisation to detect species present at low concentration and investigate their reactivityBased on the presentation given at Dalton Discussion No. 4, 10–13th January 2002, Kloster Banz, Germany

Autor: Simon B. Duckett, Christopher J. Sleigh, Graham K. Barlow, Sarah K. Hasnip, Diana R. Taylor, Simon A. Colebrooke, Michael J. Taylor

Publikováno v: Journal of the Chemical Society, Dalton Transactions. :743-751

The iridium phosphine complexes Ir(CO)Cl(L)2 [L = PPh3, PMe3, AsPh3 and PPh2Cl, and L2 = (PPh2Cl)(PPh3)] add H2 to form the corresponding dihydrides IrH2(CO)Cl(L)2. These products are detected at enhanced levels of sensitivity through the 1H NMR sign

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d189b56bd6000f42f324e218c6540963
https://doi.org/10.1039/b107444j

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Kinetic and mechanistic examination of NBu4[IrH2(CO)2I2] and NBu4[RhH2(CO)2I2] via para-hydrogen enhanced NMR spectroscopy

Autor: Simon B. Duckett, Diana R. Taylor, Sarah K. Hasnip, Michael J. Taylor, Graham K. Barlow

Publikováno v: Chemical Communications. :889-890

para-Hydrogen enhanced NMR signals are used to show that NBu4[M(CO)2I2] (M = Rh, Ir) add hydrogen to form NBu4- {all-cis-[M(H)2(CO)2I2]} which for M = Ir undergoes H2 elimination in a step where ΔH‡ 106 ± 10 kJ mol–1 and ΔS‡± 6 J K–1 mol�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fdf67ca92f44f5791959730de957a0b6
https://doi.org/10.1039/a900961b

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New products in an old reaction: isomeric products from H2 addition to Vaska’s complex and its analogues

Autor: Simon B. Duckett, Sarah K. Hasnip, Diana R. Taylor, Michael J. Taylor, Graham K. Barlow, Christopher J. Sleigh

Publikováno v: Chemical Communications. :1717-1718

para-Hydrogen enhanced NMR signals aid detection of minor isomers of complexes IrH2(L)2(CO)Cl (L = PPh3, PMe3, PPh2Cl and AsPh3) containing magnetically inequivalent hydride ligands that are produced via addition across the L–Ir–L axis of Ir(L)2(

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e8cd9e9a95073b2d007b0edfc2a11cf6
https://doi.org/10.1039/a905590h

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Parahydrogen enhanced NMR studies on thermally and photochemically generated products from [IrH3(CO)(PPh3)2]

Autor: Sarah Hasnip, Simon B. Duckett, Diana R. Taylor, Mike J. Taylor

Publikováno v: Chemical Communications. :923-924

Parahydrogen induced polarisation is used to enable the rapid NMR characterisation of thermally and photochemically generated complexes of general formula [IrH3- (CO)3–x(PPh3) x] (x = 1–3).

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0bbf6893b6cc6e55bd668aa1ced8d1b0
https://doi.org/10.1039/a801224e

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