期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 61, 期 30, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202206058
关键词
De-aromatization; Electrochemistry; Radical; Smiles Rearrangement; Sulfonamide
资金
- National Natural Science Foundation of China [22171046, 21901041]
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Xiamen University [202008]
- Hundred-Talent Project of Fujian [50012742]
- Fuzhou University [510841]
This study reports a facile electrochemical migratory cyclization of N-acylsulfonamides for the synthesis of a diverse array of benzoxathiazine dioxides. The inclusion of electrochemistry is crucial for realizing this novel transformation, as confirmed by both experiments and density-functional-theory calculations.
Benzoxathiazine dioxide, as a bioisostere of the clinically widely used diazoxide, exhibits interesting biological activity. However, limited success has been achieved in terms of its concise and direct synthesis. We report herein a facile electrochemical migratory cyclization of N-acylsulfonamides to access a diverse array of benzoxathiazine dioxides. The inclusion of electrochemistry is crucial for realizing such a novel transformation, which is substantiated both by the experiments and density-functional-theory calculations.
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