Citation: Wei Hui ZHONG, Yong Min ZHANG. A Novel Synthesis of 3,4-Dihydro-(2H)-1,2,4-Benzothiadiaizine-1,1-Dioxides Promoted by Samarium Diiodide[J]. Chinese Chemical Letters, ;2000, 11(5): 389-390. shu

A Novel Synthesis of 3,4-Dihydro-(2H)-1,2,4-Benzothiadiaizine-1,1-Dioxides Promoted by Samarium Diiodide

Department of Chemistry, Zhejiang University(Campus Xixi), Hangzhou 310028

Received Date: 3 January 2000

Fund Project: We thank the National Natural Science Foundation of China (Project No.29872010) and the Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistr, Chinese Academy of Sciences for financial support.

3,4-Dihydro-(2H)-1,2,4-benzothiadizine-1,1-dioixdes were prepared in good yields via reductive cyclization of o-nitrobenzenesulfonamides with aldehydes promoted by SmI₂ under mild and neutral condition.
- Samarium diiodide,
- 2H-1,2,4-benzothiadizine-1,1-dioxide,
- reductive cyclization
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