Synthesis of Tetrahydropyrrolo[1,2-a]quinoxalines and Tetrahydropyrido[1,2-a]quinoxalines via a One-Pot CuI-Catalyzed Aryl Amination-Hydrolysis-Condensation Process
作者:Dawei Ma、Lanting Xu、Yongwen Jiang
DOI:10.1055/s-0030-1258030
日期:2010.9
CuI-catalyzed coupling of 2-halotrifluoroacetanilides with L-proline or pipecolinic acid in DMSO at 90―110 °C followed by in situ hydrolysis at 100 °C afforded tetrahydropyrrolo[1,2-a]quinoxalines or tetrahydropyrido[1,2-a]quinoxalines.