Metal-free direct C(sp3)-H functionalization of 2-alkylthiobenzoic acid to access 1,3-benzooxathiin-4-one

• 来源期刊: 中国化学快报（英文版）
• 年，卷（期）: 2021,（1）
• 所属期刊栏目: Communications
• 页码范围: 146-149
• 页数: 4页
• 语种: 英文

摘要

Metal-free direct α-C(sp3)-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.