ChemInform Abstract: Metal-Free Ring-Expansion Reaction of Six-Membered Sulfonylimines with Diazomethanes: An Approach Toward Seven-Membered Enesulfonamides.
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- 作者：An-Jie Xia ; Tai-Ran Kang ; Long He ; Lian-Mei Chen ; Wen-Ting Li ; Jin-Liang Yang and Quan-Zhong Liu
- 刊名：ChemInform
- 出版年：2016
- 出版时间：May, 2016
- 年：2016
- 卷：47
- 期：23
- 全文大小：29K
- ISSN：1522-2667
文摘
Diazomethanes generated in situ from N-tosylhydrazones react with six-membered sulfonylimines to afford ring-expansion products through a Tiffeneau—Demjanov rearrangement and intramolecular proton transfer tautomerization process.