synthesized directly from 2-halobenzoates and ketones through a palladium-catalyzed α-arylation step followed by an intramolecular cyclization process. The addition of iodide anions to the reaction mixture increased yields and selectivities especially when 2-bromobenzoates were employed. This phosphine-free one-pot synthesis features a high functional group tolerance and gives access to richly decorated
已经通过
钯催化的α-芳基化步骤,接着进行分子内环化过程,从2-卤代
苯甲酸酯和酮直接合成了多种异
香豆素。向反应混合物中加入
碘化物阴离子增加了产率和选择性,特别是当使用
2-溴苯甲酸酯时。这种无膦的一锅合成功能具有较高的官能团耐受性,可使用装饰精美的异
香豆素。这种通用方法成功地完成了具有抗菌和抗真菌活性的重要
天然产物木霉素A的全合成。