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Dimethylmalonitril
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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Dimethylmalonitril ist eine organische Verbindung aus der Gruppe der Nitrile. Es ist ein Derivat des Malonitrils mit zwei zusΓ€tzlichen Methylgruppen.
Contents
β’ Reaktionen
β’ Einzelnachweise
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
Reaktionen
Dimethylmalonitril eignet sich als Quelle von Cyanogruppen in der Herstellung von aromatischen Nitrilen. Dazu wird es in Tetrahydrofuran mit Grignard-Verbindungen oder Lithiumorganylen umgesetzt, welche wiederum leicht aus bromierten oder iodierten Aromaten zugΓ€nglich sind.cite-ref-2[2] Γhnlich kΓΆnnen aromatische BoronsΓ€uren in Nitrile umgewandelt werden. Dazu werden sie mit Dimethylmalonitril und Caesiumcarbonat umgegesetzt, zusΓ€tzlich kommt Bis(cyclooctadien)rhodium(I)-chlorid als Katalysator zum Einsatz.cite-ref-3[3]
Einzelnachweise
cite-note-tci-11. Eintrag zu Dimethylmalononitrile bei TCI Europe, abgerufen am 19. Januar 2025.
cite-note-22. β Jonathan T. Reeves, Christian A. Malapit, Frederic G. Buono, Kanwar P. Sidhu, Maurice A. Marsini, C. Avery Sader, Keith R. Fandrick, Carl A. Busacca, Chris H. Senanayake: Transnitrilation from Dimethylmalononitrile to Aryl Grignard and Lithium Reagents: A Practical Method for Aryl Nitrile Synthesis. In: Journal of the American Chemical Society. Band 137, Nr. 29, 29. Juli 2015, S. 9481β9488, doi:10.1021/jacs.5b06136.