Activation of bis(trimethylsilyl) peroxide and tert-butyl hydroperoxide with oxo and peroxo complexes of vanadium, molybdenum, and tungsten for the sulfoxidation of thianthrene 5-oxide

被引：25

作者：

Adam, W ^{[1
]}

Golsch, D ^{[1
]}

Sundermeyer, J ^{[1
]}

Wahl, G ^{[1
]}

机构：

[1] UNIV WURZBURG,INST INORGAN CHEM,D-97074 WURZBURG,GERMANY

来源：

CHEMISCHE BERICHTE | 1996年 / 129卷 / 10期

关键词：

thianthrene; 5-oxide; peroxide; bis(trimethylsilyl); hydroperoxide; tert-butyl; oxygen transfer; peroxo complexes; catalysis; vanadium; molybdenum; tungsten;

D O I：

10.1002/cber.19961291006

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Bis(trimethylsilyl) peroxide (BTSP) and tert-butyl hydroperoxide (tBuODH) were activated by various oxo and peroxo complexes of molybdenum, tungsten, and vanadium as catalysts for the sulfoxidation of thianthrene 5-oxide (SSO). A screening of a number of phosphane oxide and amine oxide ligands revealed that BTSP was most efficiently activated by the [MoO5(OPtBu(3))] complex. The best results for tBuOOH as oxygen source were achieved with the vanadates [VO(OR)(3)] (R=tBu, iPr). Comparative selectivity and rate data for the stoichiometric and catalytic sulfoxidations of SSO mediated by the MoO(5)L complex (L=OPtBu(3), OPnOct(3), ONnBu(3), ONnOct(3)) suggest that the bisperoxo metal complex is the active oxygen transfer species.

引用

页码：1177 / 1182

页数：6

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