Tetrabutylammonium phosphomolybdate on fluorapatite: an efficient solid catalyst for solvent-free selective oxidation of sulfides
摘要:
A new synthetic method of sulfoxides and sulfones using solvent-free oxidations of sulfides with urea-hydrogen peroxide complex (urea-H2O2) and tetrabutylammonium phosphomolybdate catalyst on fluorapatite ((Bu4N)(3)[PMo12O40]/FAp). In the solid-phase system the oxidations of aromatic and alkyl sulfides proceeded at 4-25degreesC and the corresponding sulfoxides or sulfones were selectively obtained in good yields by controlling the amount of urea-H2O2. (C) 2004 Elsevier Ltd. All rights reserved.
Substituted Benzene Anions as Leaving Groups in the Reaction of Sulfinyl Derivatives with Grignard Reagents: A New and Convenient Route to Dialkyl Sulfoxides in High Enantiomeric Purity
作者:Maria Annunziata M. Capozzi、Cosimo Cardellicchio、Francesco Naso、Paolo Tortorella
DOI:10.1021/jo991912q
日期:2000.5.1
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申请人:ECOLAB INC.
公开号:EP1071738A1
公开(公告)日:2001-01-31
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申请人:Ecolab USA Inc.
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