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  1. Article ; Online: Solvent Suppression in Pure Shift NMR.

    Gates, Emma L / Bradley, Jonathan P / Berry, Daniel B G / Nilsson, Mathias / Morris, Gareth A / Adams, Ralph W / Castañar, Laura

    Analytical chemistry

    2024  Volume 96, Issue 9, Page(s) 3879–3885

    Abstract: Intense solvent signals ... ...

    Abstract Intense solvent signals in
    Language English
    Publishing date 2024-02-21
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1508-8
    ISSN 1520-6882 ; 0003-2700
    ISSN (online) 1520-6882
    ISSN 0003-2700
    DOI 10.1021/acs.analchem.3c05379
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Does the Configuration at the Metal Matter in Noyori-Ikariya Type Asymmetric Transfer Hydrogenation Catalysts?

    Hall, Andrew M R / Berry, Daniel B G / Crossley, Jaime N / Codina, Anna / Clegg, Ian / Lowe, John P / Buchard, Antoine / Hintermair, Ulrich

    ACS catalysis

    2021  Volume 11, Issue 21, Page(s) 13649–13659

    Abstract: Noyori-Ikariya type [(arene)RuCl(TsDPEN)] (TsDPEN, sulfonated diphenyl ethylenediamine) complexes are widely used C=O and C=N reduction catalysts that produce chiral alcohols and amines via a key ruthenium-hydride intermediate that determines the ... ...

    Abstract Noyori-Ikariya type [(arene)RuCl(TsDPEN)] (TsDPEN, sulfonated diphenyl ethylenediamine) complexes are widely used C=O and C=N reduction catalysts that produce chiral alcohols and amines via a key ruthenium-hydride intermediate that determines the stereochemistry of the product. Whereas many details about the interactions of the pro-chiral substrate with the hydride complex and the nature of the hydrogen transfer from the latter to the former have been investigated over the past 25 years, the role of the stereochemical configuration at the stereogenic ruthenium center in the catalysis has not been elucidated so far. Using
    Language English
    Publishing date 2021-10-26
    Publishing country United States
    Document type Journal Article
    ISSN 2155-5435
    ISSN 2155-5435
    DOI 10.1021/acscatal.1c03636
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Insight into catalyst speciation and hydrogen co-evolution during enantioselective formic acid-driven transfer hydrogenation with bifunctional ruthenium complexes from multi-technique operando reaction monitoring.

    Berry, Daniel B G / Codina, Anna / Clegg, Ian / Lyall, Catherine L / Lowe, John P / Hintermair, Ulrich

    Faraday discussions

    2019  Volume 220, Page(s) 45–57

    Abstract: Transfer hydrogenation of acetophenone from formic acid/triethylamine mixtures catalysed by the Ikariya-Noyori complex [(mesitylene)RuCl(R,R)-(TsDPEN)] has been investigated using simultaneous high-resolution FlowNMR and FlowUV-Vis spectroscopies coupled ...

    Abstract Transfer hydrogenation of acetophenone from formic acid/triethylamine mixtures catalysed by the Ikariya-Noyori complex [(mesitylene)RuCl(R,R)-(TsDPEN)] has been investigated using simultaneous high-resolution FlowNMR and FlowUV-Vis spectroscopies coupled with on-line sampling head-space mass spectrometry and chiral high-performance liquid chromatography using an integrated, fully automated recirculating flow setup. In line with previous observations, the combined results show a gradual switch from formic acid dehydrogenation to hydrogen transfer mediated by the same Ru-hydride complex, and point to a Ru-formate species as the major catalyst intermediate. Hydrogen bonding in the formic acid/triethylamine mixture emerges as a sensitive 1H NMR probe for the transfer hydrogenation activity of the system and can be used to locate optimum reaction conditions.
    Language English
    Publishing date 2019-09-16
    Publishing country England
    Document type Journal Article
    ISSN 1364-5498
    ISSN (online) 1364-5498
    DOI 10.1039/c9fd00060g
    Database MEDical Literature Analysis and Retrieval System OnLINE

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