2020
DOI: 10.1002/ange.202010963
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Alkalimetall‐Mediatoren: Vielfältige Anwendungen in der metallorganischen Chemie der Hauptgruppenelemente

Abstract: Organolithiumverbindungen stehen seit mehr als einem Jahrhundert an der Spitze der Synthesechemie, da sie die Synthese von einer Vielzahl von Verbindungen ermöglichen, die weltweit im akademischen und industriellen Bereich eingesetzt werden. Aus diesem Grund ist Lithium seit jeher das wichtigste Alkalimetall in der metallorganischen Chemie. Heute wird diese Dominanz durch Natrium und Kalium ernsthaft infrage gestellt, da sich die Verwendung von Alkalimetallen in der organischen Chemie zu einer großen Vielfalt … Show more

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Cited by 29 publications
(3 citation statements)
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References 197 publications
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“…One facet of future work is to determine what effect changing the alkali metal of the whole of Group 1 (Li–Cs) will have on the structure and reactivity of NacNac and related compounds. 6 Future work will also consider the development of new NacNac-derived ligands with extra functionality such as that displayed in the urea-like compound 4 .…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…One facet of future work is to determine what effect changing the alkali metal of the whole of Group 1 (Li–Cs) will have on the structure and reactivity of NacNac and related compounds. 6 Future work will also consider the development of new NacNac-derived ligands with extra functionality such as that displayed in the urea-like compound 4 .…”
Section: Discussionmentioning
confidence: 99%
“…Befitting the “masters of mediation” eminence of organic alkali metal compounds in general, 6 alkali metal β-diketiminates are generally utilized for transferring their dinitrogen ligands to other metals. This was first established with lithium and tin in 1994 by Lappert, with the report also recording one of the first crystal structures of a lithium β-diketiminate.…”
Section: Introductionmentioning
confidence: 99%
“…It is important to note that under the conditions of this study we do not observe the disproportionation of 7 in solution to its lower order derivative LiMgsBu 3 and sBuLi (a process that has been reported for related sodium tetra(alkyl) derivatives Na 2 MgR 4 (R = nBu, CH 2 SiMe 3 )), hinting that the choice of alkali-metal adds to the complexity of this s-block heterobimetallic systems. [19] Thus, the four alkyl groups on 7 are active towards the exchange to form tetra(aryl) intermediates To conclude, by combining reactivity studies with detailed NMR and structural studies, the mist surrounding the complex constitutions of intermediates involved in lithium alkoxide mediated Br/Mg exchange processes has begun to clear.…”
Section: Zuschriftenmentioning
confidence: 99%