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Highly efficient and chemoselective reduction of sulfoxides using the system silane/oxo-rhenium complexes

✍ Scribed by Sara C.A. Sousa; Ana C. Fernandes

Publisher
Elsevier Science
Year
2009
Tongue
French
Weight
281 KB
Volume
50
Category
Article
ISSN
0040-4039

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✦ Synopsis

This work reports a novel method for the reduction of sulfoxides with silanes catalyzed by high valent oxo-rhenium(V) and (VII) complexes. The catalytic system PhSiH 3 /ReIO 2 (PPh 3 ) 2 (1 mol %) proved to be highly efficient for the reduction of a wide range of sulfoxides in excellent yields under mild conditions. This novel methodology is also highly chemoselective, tolerating several functional groups such as -CHO, -CO 2 R, -Cl, -NO 2 , and double or triple bonds.

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A novel method for the reduction of alke
A novel method for the reduction of alkenes using the system silane/oxo-rhenium complexes
✍ Rita G. de Noronha; Carlos C. RomΓ£o; Ana C. Fernandes πŸ“‚ Article πŸ“… 2010 πŸ› Elsevier Science 🌐 French βš– 260 KB

In this work, we report the first practical application of high-valent oxo-complexes for the reduction of alkenes to the corresponding alkanes. The catalytic system Ph(Me) 2 SiH/ReIO 2 (PPh 3 ) 2 (5 mol %) proved to be very efficient for the reduction of mono-and disubstituted alkenes under solvent-