Chromium‐Catalyzed Alkylation of Amines by Alcohols
Abstract: The alkylation of amines by alcohols is a broadly applicable, sustainable, and selective method for the synthesis of alkyl amines, which are important bulk and fine chemicals, pharmaceuticals, and agrochemicals. We show that Cr complexes can catalyze this C−N bond formation reaction. We synthesized and isolated 35 examples of alkylated amines, including 13 previously undisclosed products, and the use of amino alcohols as alkylating agents was demonstrated. The catalyst tolerates numerous functional groups, including hydrogenation‐sensitive examples. Compared to many other alcohol‐based amine alkylation methods, where a stoichiometric amount of base is required, our Cr‐based catalyst system gives yields higher than 90 % for various alkyl amines with a catalytic amount of base. Our study indicates that Cr complexes can catalyze borrowing hydrogen or hydrogen autotransfer reactions and could thus be an alternative to Fe, Co, and Mn, or noble metals in (de) hydrogenation catalysis.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Chromium‐Catalyzed Alkylation of Amines by Alcohols ; volume:132 ; number:29 ; year:2020 ; pages:11887-11891 ; extent:5
Angewandte Chemie ; 132, Heft 29 (2020), 11887-11891 (gesamt 5)
- Urheber
- DOI
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10.1002/ange.202001704
- URN
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urn:nbn:de:101:1-2022052912262233849778
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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15.08.2025, 07:21 MESZ
Datenpartner
Deutsche Nationalbibliothek. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.
Beteiligte
- Kallmeier, Fabian
- Fertig, Robin
- Irrgang, Torsten
- Kempe, Rhett
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