Journal
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
Volume 2022, Issue 46, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.202201118
Keywords
Acyl fluoride; Acyl-group exchange; Carboxylic acid; Fluorination; Phosphine catalyst
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In this study, a new synthetic method for acyl fluorides was developed through a phosphine-catalyzed acyl-group exchange reaction. This is the first example of utilizing an acyl fluoride as a deoxyfluorination reagent.
Acyl fluorides show unique reactivity and stability, and the catalytic conversions using acyl fluorides as a divergent building block have recently attracted much attention and have been rapidly researched. Thus, a development of a new synthetic method of acyl fluorides is constantly demanded. Herein, we describe a phosphine-catalyzed acyl-group exchange reaction between carboxylic acids and an aroyl fluoride. A variety of acyl fluorides are directly obtained from carboxylic acids through a catalytic system composed of tricyclohexylphosphine (PCy3) and 2,6-difluorobenzoyl fluoride. This report is the first example of utilizing an acyl fluoride as a deoxyfluorination reagent.
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