Thomas Auth
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View article: Intramolecular Phenyl Transfer from Boron to Lithium, Sodium, and Copper: Defining the Limits of Transmetalation
Intramolecular Phenyl Transfer from Boron to Lithium, Sodium, and Copper: Defining the Limits of Transmetalation Open
Transmetalation is a key elementary step in organometallic chemistry, for which reason there is a keen interest in better understanding the factors governing this reaction. We have previously reported the unusual transfer of a phenyl anion…
View article: Computational and Mass-Spectrometric Investigation of the Structure and Reactivity of Coinage-Metal Ate Complexes and Thermometer Ions
Computational and Mass-Spectrometric Investigation of the Structure and Reactivity of Coinage-Metal Ate Complexes and Thermometer Ions Open
Over the past decades, the combination of electrospray ionization (ESI), multi-stage mass spectrometry (MS^n) and computational methods has proven to be a powerful tool for fundamental studies on organometallic chemistry. The overall objec…
View article: Dissecting Transmetalation Reactions at the Molecular Level: Aryl Transfer in Copper-Tetraarylborate Complexes
Dissecting Transmetalation Reactions at the Molecular Level: Aryl Transfer in Copper-Tetraarylborate Complexes Open
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View article: Dissecting Transmetalation Reactions at the Molecular Level: Aryl Transfer in Copper-Tetraarylborate Complexes
Dissecting Transmetalation Reactions at the Molecular Level: Aryl Transfer in Copper-Tetraarylborate Complexes Open
Boron-copper transmetalation reactions are practically important, but their detailed mechanisms remain elusive. To im-prove our understanding of these transformations, we have analyzed the systems Cu+/(BArX4)− (ArX = p-X−C6H4 with X = OMe,…
View article: Unimolecular Reactivity of [Cu(R)(CF<sub>3</sub>)<sub>3</sub>]<sup>−</sup> Complexes (R=Organyl): Stepwise versus Concerted Mechanism in Copper‐Mediated Trifluoromethylation
Unimolecular Reactivity of [Cu(R)(CF<sub>3</sub>)<sub>3</sub>]<sup>−</sup> Complexes (R=Organyl): Stepwise versus Concerted Mechanism in Copper‐Mediated Trifluoromethylation Open
The cuprate complexes [Cu(R)(CF 3 ) 3 ] − (R=organyl) offer an efficient synthetic access to valuable trifluoromethylation products RCF 3 . Here, electrospray‐ionization mass spectrometry is used to analyze the formation of these intermedi…
View article: Origin of the different reactivity of the high‐valent coinage‐metal complexes [RCu <sup> <scp>iii</scp> </sup> Me <sub>3</sub> ] <sup>−</sup> and [RAg <sup> <scp>iii</scp> </sup> Me <sub>3</sub> ] <sup>−</sup> (R=allyl)**
Origin of the different reactivity of the high‐valent coinage‐metal complexes [RCu <sup> <span>iii</span> </sup> Me <sub>3</sub> ] <sup>−</sup> and [RAg <sup> <span>iii</span> </sup> Me <sub>3</sub> ] <sup>−</sup> (R=allyl)** Open
High‐valent tetraalkylcuprates( iii ) and ‐argentates( iii ) are key intermediates of copper‐ and silver‐mediated C−C coupling reactions. Here, we investigate the previously reported contrasting reactivity of [RM iii Me 3 ] − complexes (M=…
View article: Origin of the different reactivity of the high-valent coinage-metal complexes [RCuIIIMe3]− and [RAgIIIMe3]− (R = allyl)
Origin of the different reactivity of the high-valent coinage-metal complexes [RCuIIIMe3]− and [RAgIIIMe3]− (R = allyl) Open
High-valent tetraalkylcuprates(III) and -argentates(III) are key intermediates of copper and silver-mediated C−C coupling reactions. Here, we investigate the previously reported contrasting reactivity of [RM III Me 3 ] − complexes (M = Cu,…
View article: Origin of the different reactivity of the high-valent coinage-metal complexes [RCuIIIMe3]− and [RAgIIIMe3]− (R = allyl)
Origin of the different reactivity of the high-valent coinage-metal complexes [RCuIIIMe3]− and [RAgIIIMe3]− (R = allyl) Open
High-valent tetraalkylcuprates(III) and -argentates(III) are key intermediates of copper and silver-mediated C−C coupling reactions. Here, we investigate the previously reported contrasting reactivity of [RM III Me 3 ] − complexes (M = Cu,…
View article: Hexanuclear Copper(I) Hydride from the Reduction-Induced Decarboxylation of a Dicopper(II) Formate
Hexanuclear Copper(I) Hydride from the Reduction-Induced Decarboxylation of a Dicopper(II) Formate Open
Copper(I) hydride complexes represent a promising entry into formic acid dehydrogenation catalysis. Herein we present the spontaneous decarboxylation of a μ1,3-formate-bridged dicopper(II) complex (1H) to a hexacopper(I) hydride cluster (2…
View article: Modulation of Gas-Phase Lithium Cation Basicities by Microsolvation
Modulation of Gas-Phase Lithium Cation Basicities by Microsolvation Open
In contrast to the extensive knowledge of lithium cation affinities and basicities, the thermochemistry of microsolvated lithium cations is much less explored. Here, we determine the relative stabilities of Li(A,B)n+ complexes, n = 2 and 3…
View article: Argentate(<scp>i</scp>) and (<scp>iii</scp>) complexes as intermediates in silver-mediated cross-coupling reactions
Argentate(<span>i</span>) and (<span>iii</span>) complexes as intermediates in silver-mediated cross-coupling reactions Open
Silver-mediated cross-coupling reactions proceed via anionic ate complexes, which have been characterized by a combination of NMR spectroscopy, ESI mass spectrometry, and quantum-chemical calculations.
View article: Imaging quantum stereodynamics through Fraunhofer scattering of NO radicals with rare-gas atoms
Imaging quantum stereodynamics through Fraunhofer scattering of NO radicals with rare-gas atoms Open
Stereodynamics describes how the vector properties of molecules, such as the directions in which they move and the axes about which they rotate, affect the probabilities (or cross-sections) of specific processes or transitions that occur o…