Metal-free direct C(sp^(3))-H functionalization of 2-alkylthiobenzoic acid to access 1,3-benzooxathiin-4-one  

作　　者：Ke Yang Yi Li Mengjie Song Shengfei Dai Zheng-Yi Li Xiaoqiang Sun 

机构地区：[1]Jiangsu Key Laboratory of Advanced Catalytic Materials&Technology,School of Petrochemical Engineering,Changzhou University,Changzhou 213164,China

出　　处：《Chinese Chemical Letters》2021年第1期146-149,共4页中国化学快报（英文版）

基　　金：the financial support from the National Natural Science Foundation of China(Nos.21572026,21702019);Advanced Catalysis and Green Manufacturing Collaborative Innovation Center,Changzhou University。

摘　　要：Metal-free direct α-C(sp^(3))-H intramolecular cyclization of 2-alkylthiobenzoic acid in the presence of Selectfluor is described.This novel strategy provides a facile and efficient method to access important 1,3-benzooxathiin-4-one derivatives with good functional groups tolerance and yields.

关 键 词：METAL-FREE C(sp^(3))-H functionalization Selectfluor 1 3-Benzooxathiin-4-one Organic synthesis 

分 类 号：O626[理学—有机化学]