a-Amidoaldehydes as substrates in rhodium-catalyzed intermolecular alkyne hydroacylation: The synthesis of a-amidoketones

We show that readily available α‐amidoaldehydes are effective substrates for intermolecular Rh‐catalyzed alkyne hydroacylation reactions. The catalyst [Rh(dppe)(C6H5F)][BArF4] provides good reactivity, and allows a broad range of aldehydes and alkynes to be used as substrates, delivering α‐amidoketo...

Ausführliche Beschreibung

Bibliographische Detailangaben
Hauptverfasser: Pal, R, O'Brien, SC, Willis, MC
Format: Journal article
Sprache:English
Veröffentlicht: Wiley 2020
Beschreibung
Zusammenfassung:We show that readily available α‐amidoaldehydes are effective substrates for intermolecular Rh‐catalyzed alkyne hydroacylation reactions. The catalyst [Rh(dppe)(C6H5F)][BArF4] provides good reactivity, and allows a broad range of aldehydes and alkynes to be used as substrates, delivering α‐amidoketone products. High yields and high levels of regioselectivity are achieved. The use of α‐amidoaldehydes as substrates establishes that 1,4‐dicarbonyl motifs can be used as controlling groups in Rh‐catalyzed hydroacylation reactions.