Palladium-Catalyzed CS Activation/Aryne Insertion/Coupling Sequence: Synthesis of Functionalized 2-Quinolinones
作者:Ying Dong、Bangyu Liu、Peng Chen、Qun Liu、Mang Wang
DOI:10.1002/anie.201310340
日期:2014.3.24
The insertion of an aryne into a CS bond can suppress the addition of an S nucleophile to the aryne in the presence of palladium. Catalyzed by Pd(OAc)2, a wide range of α‐carbamoyl ketene dithioacetals readily react with arynes to selectively afford functionalized 2‐quinolinones in high yields under neutral reaction conditions by a CS activation/aryne insertion/intramolecular coupling sequence. The
的芳炔插入到一个C S键,可以抑制在添加一个S亲核体在钯的存在下,芳炔。加入Pd(OAc)催化2,宽范围α -氨基甲酰基二硫烯酮的被C与arynes容易反应,以选择性地得起官能2-喹啉酮以高产率中性反应条件下的激活/芳炔插入/分子内偶合序列。新策略的吸引人之处还在于烷硫基取代的喹啉酮产品的多功能转化。