Tetrameres Lithium-tris(N, N-dimethylamino)silylamid: Synthese, Struktur und 
Reaktivität. Tetrameric Lithium Tris(N,N-dimethylamino)silylamide: Synthesis, 
Structure, and Reactivity

Walther, Dirk; Schramm, Frank; Theyssen, Nils; Beckert, R.; Görls, Helmar

doi:10.1002/1521-3749(200209)628:9/10<1938::AID-ZAAC1938>3.0.CO;2-8

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Tetrameres Lithium-tris(N, N-dimethylamino)silylamid: Synthese, Struktur und Reaktivität. Tetrameric Lithium Tris(N,N-dimethylamino)silylamide: Synthesis, Structure, and Reactivity

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Theyssen, Nils
Institut für Anorg. und Analyt. Chemie der Universität Jena, August-Bebel-Straße 2, D-07743 Jena, Fax (internat) +49-(0)3641948102;
Service Department Theyssen (Technical Labs), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Walther, D., Schramm, F., Theyssen, N., Beckert, R., & Görls, H. (2002). Tetrameres Lithium-tris(N, N-dimethylamino)silylamid: Synthese, Struktur und Reaktivität. Tetrameric Lithium Tris(N,N-dimethylamino)silylamide: Synthesis, Structure, and Reactivity. Zeitschrift für anorganische und allgemeine Chemie, 628(9-10), 1938-1940. doi:10.1002/1521-3749(200209)628:9/10<1938:AID-ZAAC1938>3.0.CO;2-8.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0024-52D2-F

Abstract

[(Me₂N)₃SiNHLi]₄ (1) has been prepared from (Me₂N)₃Si—NH₂ and t-BuLi. According to the crystal structure analysis 1 has a laddering structure consisting of seven four-membered rings. The two Li₂(NH)₂ units contain three-coordinated Li; the other five rings consist of Li(NH)₂Si units in which the Li atoms are found to be four-coordinated. Reaction with bis(4-tolyl)-oxalic imidoyl chloride results in the formation of bis(N, N′-dimethylamino)-bis(4-tolyl)oxalamidine and two new heterocycles.