A palladium-catalyzed synthesis of isatins (1H-Indole-2,3-diones) from 1-(2-haloethynyl)-2-nitrobenzenes
作者:Björn C.G. Söderberg、Sobha P. Gorugantula、Chet R. Howerton、Jeffrey L. Petersen、Shubhada W. Dantale
DOI:10.1016/j.tet.2009.06.098
日期:2009.9
An inherently regiospecific synthesis of isatins (1H-indole-2,3-diones) starting from 1-halo-2-nitrobenzenes is described. The isatins are formed by an intramolecular palladium-catalyzedannulation of 2-(2-haloethynyl)-1-nitrobenzenes via the formation of 2-haloisatogens.