α‐Amidoaldehydes as Substrates in Rhodium‐Catalyzed Intermolecular Alkyne Hydroacylation: The Synthesis of α‐Amidoketones
作者:Ritashree Pal、Sean C. O'Brien、Michael C. Willis
DOI:10.1002/chem.202002478
日期:2020.9.10
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
我们表明,现成的α-酰胺醛是分子间Rh催化炔烃加氢酰化反应的有效底物。催化剂[Rh(dppe)(C 6 H 5 F)] [BAr F 4 ]具有良好的反应活性,可将各种醛和炔烃用作底物,从而提供α-酰胺酮产品。实现了高产率和高水平的区域选择性。使用α-酰胺醛作为底物可确定1,4-二羰基可以用作Rh催化加氢酰化反应中的控制基团。