Palladium-Catalyzed Direct Olefination of Urea Derivatives with <i>n</i>-Butyl Acrylate by C–H Bond Activation under Mild Reaction Conditions
作者:Li Wang、Shen Liu、Zhi Li、Yongping Yu
DOI:10.1021/ol202738j
日期:2011.12.2
PdII-catalyzedaromatic C–H bondactivation using urea as a directinggroup was achieved in a p-TsOH/AcOH medium under mild reaction conditions. The direct olefination products of various urea derivatives were produced from aryl urea derivatives and butyl acrylate in moderate to good yields.