Journal
TETRAHEDRON LETTERS
Volume 51, Issue 47, Pages 6132-6135Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2010.09.071
Keywords
Sulfoxides; Oxo-complexes; Silanes; Boranes
Categories
Funding
- FCT [PTDC/QUI/71741/2006, SFRH/BD/63471/2009]
- Fundação para a Ciência e a Tecnologia [SFRH/BD/63471/2009, PTDC/QUI/71741/2006] Funding Source: FCT
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This work reports the catalytic activity of the oxo-complexes HReO4, MoO2(acac)(2), WO2Cl2, and VO(acac)(2) in the reduction of sulfoxides with PhSiH3 or HBcat. The results obtained showed that the catalyst systems PhSiH3/HReO4 (5 mol %) and HBcat/HReO4 (5 mol %) are highly efficient for the deoxygenation of sulfoxides. The complex MoO2(acac)(2) was also efficient, but the reactions required more time and heating. Finally, the complexes WO2Cl2 and VO(acac)(2) showed a moderate activity. (C) 2010 Elsevier Ltd. All rights reserved.
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