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Synthesis of Trifluoromethylated Aziridines Via Photocatalytic Amination Reaction

Titelangaben

Guo, Yujing ; Pei, Chao ; Jana, Sripati ; Koenigs, Rene M.:
Synthesis of Trifluoromethylated Aziridines Via Photocatalytic Amination Reaction.
In: ACS Catalysis. Bd. 11 (2021) . - S. 337-342.
ISSN 2155-5435
DOI: https://doi.org/10.1021/acscatal.0c04564

Abstract

Trifluoromethylated aziridines are the smallest fluorinated N-heterocycle and represent important strategic building blocks with broad application in drug discovery for the synthesis of functionalized, fluorinated amines via ring-opening reactions. Their catalytic synthesis represents even today a major challenge in organic chemistry, and methods relying on classic nitrene transfer reactions of electron-poor, fluorinated olefins are significantly hampered. Herein, we demonstrate that iodinanes undergo oxidative quenching in the presence of the simple Ru(bpy)3Cl2 catalyst and release a nitrene radical anion, which serves as a reactive intermediate in direct aziridination reactions of fluorinated olefins. We have demonstrated the applicability of this photocatalytic synthesis platform to access fluorinated aziridines in a generalized fashion, allowing for different substitution patterns of the fluorinated aziridine core, including difluoromethyl and perfluoroalkylated aziridines. Experimental and computational studies indicate the importance of an unusual nitrene radical anion to access the trifluoromethylated aziridine.

Weitere Angaben

Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Keywords: photocatalysis; fluorine; aziridine; amination; computational chemistry
Institutionen der Universität: Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Chemie
Titel an der UBT entstanden: Nein
Themengebiete aus DDC: 500 Naturwissenschaften und Mathematik > 540 Chemie
Eingestellt am: 01 Apr 2025 11:06
Letzte Änderung: 01 Apr 2025 11:06
URI: https://eref.uni-bayreuth.de/id/eprint/93107