Synthesis of 3-(aminomethylene)-2-oxoindolines by palladium-catalyzed annulation of 3-chloro-2-iodo-N-arylacrylamides with amides or amines
作者:Guo-Bo Deng、Zhi-Qiang Wang、Ren-Jie Song、Ming-Bo Zhou、Wen-Ting Wei、Peng Xie、Jin-Heng Li
DOI:10.1039/c1cc11602a
日期:——
A new palladium-catalyzed C–H bond activation–annulation–amination tandem method was presented for selectively synthesizing 3-(aminomethylene)-2-oxoindolines. In the presence of Pd(dba)2, xantphos (L8), AgOAc and Na2CO3, a variety of 3-chloro-2-iodo-N-arylacrylamides underwent the reaction with amides or amines to afford the corresponding 3-(aminomethylene)-2-oxoindolines in moderate to good yields.
本研究提出了一种新的钯催化 C-H 键活化-annulation-层析串联方法,用于选择性合成 3-(氨基亚甲基)-2-氧代吲哚啉。在 Pd(dba)2、xantphos (L8)、AgOAc 和 Na2CO3 的存在下,多种 3-氯-2-碘-N-芳基丙烯酰胺与酰胺或胺发生反应,得到相应的 3-(氨基亚甲基)-2-氧代吲哚啉,收率中等至良好。