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New ligands for manganese catalysed selective oxidation of sulfides to sulfoxides with hydrogen peroxide

✍ Scribed by Jelle Brinksma; René La Crois; Ben L Feringa; Maria Irene Donnoli; Carlo Rosini

Publisher
Elsevier Science
Year
2001
Tongue
French
Weight
74 KB
Volume
42
Category
Article
ISSN
0040-4039

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✦ Synopsis

In situ prepared manganese complexes with ligands 1-5 have been used in the catalytic oxidation of sulfides to sulfoxides using hydrogen peroxide at 0°C in acetone. Using ligand 4, methyl phenyl sulfoxide is obtained in 55% yield and turnover numbers up to 250, while the formation of sulfone is almost suppressed.

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TMSCl-promoted selective oxidation of su
TMSCl-promoted selective oxidation of sulfides to sulfoxides with hydrogen peroxide
✍ Kiumars Bahrami; Mohammad M. Khodaei; Behrooz H. Yousefi; Mehdi Sheikh Arabi 📂 Article 📅 2010 🏛 Elsevier Science 🌐 French ⚖ 584 KB

Selective oxidation of sulfides to sulfoxides is achieved using H 2 O 2 and TMSCl as the promotor. Aromatic and aliphatic sulfides are oxidized to sulfoxides in excellent yields and in short reaction times. Different functional groups including ketone, alkene, ester, and alcohol are tolerated.