Metal-free and Selectfluor-mediated diverse transformations of 2-alkylthiobenzamides to access 2,3-dihydrobenzothiazin-4-ones, benzoisothiazol-3-ones and 2-alkylthiobenzonitriles
Shengfei Dai, Ke Yang, Yanqi Luo, Ziyuan Xu, Zhi Li, Zhengyi Li, Bijin Li, Xiaoqiang Sun
Abstract
Diverse transformations of 2-alkylthiobenzamides have been established to synthesize 2,3-dihydrobenzothiazin-4-ones, benzoisothiazol-3-ones and 2-alkylthiobenzonitriles in the presence of Selectfluor.
Topics & Concepts
ChemistrySelectfluorMetalCombinatorial chemistryOrganic chemistryCatalysisCatalytic C–H Functionalization MethodsSulfur-Based Synthesis TechniquesPhenothiazines and Benzothiazines Synthesis and Activities