Výsledky vyhledávání - "Mirjam J. Krahfuss"

Case Study of N ‐ i Pr versus N ‐Mes Substituted NHC Ligands in Nickel Chemistry: The Coordination and Cyclotrimerization of Alkynes at [Ni(NHC) 2 ]

Autor: Maximilian W. Kuntze-Fechner, Mirjam J. Krahfuss, Moritz Helm, Udo Radius, Lukas Tendera

Publikováno v: Chemistry – A European Journal. 27:17849-17861

A case study on the effect of the employment of two different NHC ligands in complexes [Ni(NHC)2 ] (NHC=i Pr2 ImMe 1Me , Mes2 Im 2) and their behavior towards alkynes is reported. The reaction of a mixture of [Ni2 (i Pr2 ImMe )4 (μ-(η2 : η2 )-COD)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5b4da4e8794bcdc83d6d3bc63aabc494
https://doi.org/10.1002/chem.202103093

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N‐Heterocyclic Carbene and Cyclic (Alkyl)(amino)carbene Adducts of Antimony(III)

Autor: Udo Radius, Krzysztof Radacki, Michael Philipp, Mirjam J. Krahfuss

Publikováno v: European Journal of Inorganic Chemistry. 2021:4007-4019

A systematic study on Lewis-acid/base adducts of N-heterocyclic carbenes (NHCs) and the cyclic (alkyl)(amino)carbene cAAC\(^{Me}\) (1-(2,6-di-iso-propylphenyl)-3,3,5,5-tetramethyl-pyrrolidin-2-ylidene) with antimony(III) chlorides of the general form

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bf290455ff5a37913ff406e0df9360f9
https://doi.org/10.1002/ejic.202100632

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N-Heterocyclic silylenes as ambiphilic activators and ligands

Autor: Mirjam J. Krahfuss, Udo Radius

Publikováno v: Dalton Transactions. 50:6752-6765

This frontiers article highlights recent developments of the use of N-heterocyclic silylenes (NHSis), the higher homologues of the Arduengo-carbenes, as ambiphilic activators and ligands in organometallic chemistry and provides a comparison of five-m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d0d916fed6e0d0cc3252e13a5f8647bd
https://doi.org/10.1039/d1dt00617g

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N-Heterocyclic Silylenes as Ligands in Transition Metal Carbonyl Chemistry

Autor: Jörn Nitsch, F. Matthias Bickelhaupt, Mirjam J. Krahfuß, Todd B. Marder, Udo Radius

Publikováno v: Chemistry-A European Journal, 26(49), 11276-11292. Wiley-VCH Verlag
Krahfuß, M J, Nitsch, J, Bickelhaupt, F M, Marder, T B & Radius, U 2020, ' N-Heterocyclic Silylenes as Ligands in Transition Metal Carbonyl Chemistry : Nature of Their Bonding and Supposed Innocence ', Chemistry-A European Journal, vol. 26, no. 49, pp. 11276-11292 . https://doi.org/10.1002/chem.202001062
Chemistry : a European Journal, 26, 11276-11292
Chemistry (Weinheim an Der Bergstrasse, Germany)
Chemistry : a European Journal, 26, 49, pp. 11276-11292

A study on the reactivity of the N‐heterocyclic silylene Dipp2NHSi (1,3‐bis(diisopropylphenyl)‐1,3‐diaza‐2‐silacyclopent‐4‐en‐2‐yliden) with the transition metal complexes [Ni(CO)4], [M(CO)6] (M=Cr, Mo, W), [Mn(CO)5(Br)] and [(η

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::58421faf387aaba05ae8be1c98ce46c2
http://www.scopus.com/inward/record.url?scp=85088940914&partnerID=8YFLogxK

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N-Heterocyclic Silylenes as Metal–Metal Bridges and Metal–Halide Activators in Transition Metal Complexes

Autor: Mirjam J. Krahfuss, Udo Radius

Publikováno v: Inorganic Chemistry. 59:10976-10985

Several examples are provided that NHSi (N-heterocyclic silylene) ligands are much better metal-metal bridging ligands as compared to NHCs and that NHSi also tends to insert much more easily into metal-halide bonds of transition metal complexes. Dipp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::43bb5a7a26f3bdbcf64caef7a3fe943d
https://doi.org/10.1021/acs.inorgchem.0c01462

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N ‐Heterocyclic Carbene and Cyclic (Alkyl)(amino)carbene Complexes of Titanium(IV) and Titanium(III)

Autor: Katharina Lubitz, Mirjam J. Krahfuß, Udo Radius, Holger Braunschweig, Günther Horrer, Ivo Krummenacher

Publikováno v: European Journal of Inorganic Chemistry. 2020:281-291

The reaction of one and two equivalents of the N ‐heterocyclic carbene IMes [IMes = 1,3‐bis(2,4,6‐trimethyl‐phenyl)imidazolin‐2‐ylidene] or the cyclic (alkyl)(amino)carbene cAAC\(^{Me}\) [cAAC\(^{Me}\) = 1‐(2,6‐diisopropyl‐phenyl)�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6eeded9aae114a6fca2c4c6f470c62cc
https://doi.org/10.1002/ejic.201901207

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Intramolecular Ring‐Expansion Reaction (RER) and Intermolecular Coordination of In Situ Generated Cyclic (Amino)(aryl)carbenes (cAArCs)

Autor: Jan Lorkowski, Cezary Pietraszuk, Udo Radius, Maciej Kubicki, Mirjam J. Krahfuß

Publikováno v: Chemistry (Weinheim an Der Bergstrasse, Germany)

Cyclic (amino)(aryl)carbenes (cAArCs) based on the isoindoline core were successfully generated in situ by α‐elimination of 3‐alkoxyisoindolines at high temperatures or by deprotonation of isoindol‐2‐ium chlorides with sodium or copper(I) ac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6cb334950c101a39741f7b49cade2571
https://doi.org/10.1002/chem.201902630

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N‐Heterocyclic Silylene Main Group Element Chemistry: Adduct Formation, Insertion into E−X Bonds and Cyclization of Organoazides

Autor: Udo Radius, Mirjam J. Krahfuss

Investigations concerning the reactivity of the N‐heterocyclic silylene Dipp\(_{2}\)NHSi (1, 1,3‐bis(2,6‐diisopropylphenyl)‐1,3‐diaza‐2‐silacyclopent‐4‐en‐2‐ylidene) towards selected alanes and boranes, elemental halides X\(_{2}

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ef93c4ad3bcd74b841123340550ca3e
https://doi.org/10.1002/ejic.202000942

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Tris(pentafluoroethyl)difluorophosphorane and N‐Heterocyclic Carbenes: Adduct Formation and Frustrated Lewis Pair Reactivity

Autor: Vivien Zeh, Steffen A. Föhrenbacher, Mirjam J. Krahfuss, Nikolai V. Ignat'ev, Maik Finze, Udo Radius

The synthesis and characterization of Lewis acid/base adducts between tris(pentafluoroethyl)difluorophosphorane PF\(_{2}\)(C\(_{2}\)F\(_{5}\))\(_{3}\) and selected N-heterocyclic carbenes (NHCs) R\(_{2}\)Im (1,3-di-organyl-imidazolin-2-ylidene) and p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8114593dc437e77c1c3838b5cdbfc1f9
https://doi.org/10.1002/ejic.202100183

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