Selective and mild oxidation of sulfides to sulfoxides or sulfones using H2O2 and Cp′Mo(CO)3Cl as catalysts

被引：86

作者：

Gamelas, Carla A. ^{[1
,2
]}

Lourenco, Tiago ^{[1
]}

da Costa, Andre Pontes ^{[1
]}

Simplicio, Ana L. ^{[1
]}

Royo, Beatriz ^{[1
]}

Romao, Carlos C. ^{[1
]}

机构：

[1] Univ Nova Lisboa, Inst Tecnol Quim & Biol, EAN, P-2780157 Oeiras, Portugal

[2] Inst Politecn Setubal, Escola Super Tecnol, P-2910761 Setubal, Portugal

来源：

TETRAHEDRON LETTERS | 2008年 / 49卷 / 32期

关键词：

sulfoxide; sulfone; hydrogen peroxide; molybdenum complexes;

D O I：

10.1016/j.tetlet.2008.05.126

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Dialkyl, aryl-alkyl, benzylic, and benzothiophenic sulfides are selectively oxidized to sulfoxides or sulfones, with stoichiometric amounts of H2O2 (aq) or TBHP, in the presence of complexes Cp'Mo(CO)(3)Cl, CpMoO2Cl and the mesoporous material MCM-41-2 as catalysts. The use of the thianthrene 5-oxide (SSO) probe shows that CpMo(CO)(3)Cl/H2O2 or TBHP are electrophilic oxidants (Xso <= 15). The same conclusion is drawn from competition experiments with a mixture of p-ClC6H4SCH3 and C6H5SOCH3. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：4708 / 4712

页数：5

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