The Heck reaction of (hetero)aryl bromides and acrolein or vinyl ketones using CataCXium® Ptb as a ligand, NaHCO3 as a base, and nBu4NCl provides an efficient access to 3‐(hetero)aryl propenals/propenones, which are directly employed in consecutive multicomponent syntheses of pyrazoles in a one‐pot fashion.
使用CataCXium®Ptb作为
配体,NaHCO 3作为碱和n Bu 4 NCl进行(杂)芳基
溴化物和
丙烯醛或
乙烯基酮的Heck反应,可以有效地获得3-(杂)芳基
丙烯/
丙烯酮。以单罐方式直接用于
吡唑的连续多组分合成中。