Access to 2-Arylindoles via Decarboxylative C−C Coupling in Aqueous Medium and to Heteroaryl Carboxylates under Base-Free Conditions using Diaryliodonium Salts
作者:Velladurai Arun、Meenakshi Pilania、Dalip Kumar
DOI:10.1002/asia.201601290
日期:2016.12.6
accessible heteroaromatic carboxylic acids and diaryliodonium salts were successfully employed to construct valuable 2‐arylindoles and heteroaryl carboxylates in a regioselective fashion. C2‐arylated indoles were produced using a Pd‐catalyzed decarboxylative strategy in water without any base, oxidant, or ligand. Heteroaryl carboxylates were prepared under metal and base‐free conditions. This protocol was
容易获得的杂芳族羧酸和二芳基碘鎓盐已成功用于以区域选择性的方式构建有价值的2-芳基吲哚和杂芳基羧酸盐。C2芳基吲哚是在水中没有任何碱,氧化剂或配体的情况下使用Pd催化的脱羧策略生产的。杂芳基羧酸盐是在无金属和无碱条件下制备的。该方案已成功用于合成细胞周期蛋白依赖性激酶(CDK)抑制剂Paullone。