Facile Synthesis of Azaarene-Substituted 3-Hydroxy-2-oxindoles via Brønsted Acid Catalyzed sp<sup>3</sup> C–H Functionalization
作者:Rui Niu、Jian Xiao、Tao Liang、Xingwei Li
DOI:10.1021/ol2030982
日期:2012.2.3
Brønstedacidcatalyzedfunctionalization of sp3 C–H bonds in 2-methyl azaarenes has been achieved in the reaction with isatins. This method provides facile synthesis of biologically important azaarene-substituted 3-hydroxy-2-oxindoles in one step in moderate to good yields.