DDQ-Promoted C-S Bond Formation: Synthesis of 2-Aminobenzothiazole Derivatives under Transition-Metal-, Ligand-, and Base-Free Conditions
作者:Rui Wang、Wen-juan Yang、Liang Yue、Wei Pan、Hong-yao Zeng
DOI:10.1055/s-0031-1291159
日期:2012.7
A transition-metal-free method for the intramolecular S-arylation of o-halobenzothiaoureas via DDQ-mediated leading to the 2-aminobenzothiazole derivatives is reported. The reactions are performed at room temperature under ligand-and base-free conditions with good to excellent yields.