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DOI: 10.1055/s-0031-1289632
Charge-Accelerated Sulfonium [3,3]-Sigmatropic Rearrangements
Publikationsverlauf
Publikationsdatum:
01. Dezember 2011 (online)
Abstract
Charge-accelerated sigmatropic rearrangements are useful reactions for the creation of key C-C bonds in synthesis. In this mini-review, recent developments in sulfonium [3,3]-sigmatropic rearrangements that take place under mild and operationally simple conditions are presented and discussed in a unified manner.
1 Introduction
2 Metal-Mediated Sulfonium [3,3]-Sigmatropic Rearrangements
2.1 Rhodium Carbene Promoted Rearrangements
2.2 Gold-Mediated Thio-Claisen Rearrangements
3 Anhydride-Triggered Sulfonium Rearrangement
3.1 Activation of Ketene Dithioacetal Derivatives
3.2 Aryl Sulfoxide Mediated Sulfonium [3,3]-Sigmatropic Rearrangements
4 Conclusions and Outlook
Key words
thio-Claisen rearrangement - cationic sulfur - metal carbene - anhydride - sulfoxides
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