Simultaneous Orthogonal Methods for the Real-Time Analysis of Catalytic Reactions | Zendy

Robin Theron | Zendy; Yang Wu | Zendy; Lars P. E. Yunker | Zendy; Amelia V. Hesketh | Zendy; Indrek Pernik | Zendy; Andrew S. Weller | Zendy; J. Scott McIndoe | Zendy

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Simultaneous Orthogonal Methods for the Real-Time Analysis of Catalytic Reactions

Author(s) -

Robin Theron,

Yang Wu,

Lars P. E. Yunker,

Amelia V. Hesketh,

Indrek Pernik,

Andrew S. Weller,

J. Scott McIndoe

Publication year - 2016

Publication title -

acs catalysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 4.898

H-Index - 198

ISSN - 2155-5435

DOI - 10.1021/acscatal.6b01489

Subject(s) - hydroacylation , catalysis , rhodium , chemistry , cationic polymerization , mass spectrometry , decomposition , photochemistry , abundance (ecology) , combinatorial chemistry , computational chemistry , organic chemistry , chromatography , fishery , biology

Continuous monitoring of catalyzed reactions using infrared spectroscopy (IR) measures the transformation of reactant into product, whereas mass spectrometry delineates the dynamics of the catalytically relevant species present at much lower concentrations, a holistic approach that provides mechanistic insight into the reaction components whose abundance spans 5 orders of magnitude. Probing reactions to this depth reveals entities that include precatalysts, resting states, intermediates, and also catalyst impurities and decomposition products. Simple temporal profiles that arise from this analysis aid discrimination between the different types of species, and a hydroacylation reaction catalyzed by a cationic rhodium complex is studied in detail to provide a test case for the utility of this methodology

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