Palladium(II) Catalysed Silicon-Oxygen Bond Formation Versus Rearrangement Reactions

被引：2

作者：

Purkayastha, A. ^{[1
]}

Baruah, J. B. ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Chem, Gauhati 781001, Assam, India

来源：

PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS | 2001年 / 169卷 / 01期

关键词：

Phenylsilane; Pd-catalysts; rearrangement; dehydrogenative coupling;

D O I：

10.1080/10426500108546578

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Phenylsilane and diphenylsilane undergoes rearrangement reactions by palladium catalysts such as Pd(TMEDA)Cl-2, Pd(TEEDA)Cl-2, [Pd(PPh3)](2)Cl-2 (where TN1EDA = tetramethylethylenediamine, TEEDA = tetraethylethylenediamine) at room temperature. However, the reductive Si-O bond forming reaction can be performed on hydrosilanes through competitive paths. The reactions of phenylsilane and quinonic compounds are catlaysed by Pd(TMEDA)Cl-2 (such as 1,4-benzoquinone, 1,4-napthoquinone) to give siloxanes, backbone of these siloxanes which contains rearranged phenylsilane units. The thin films of such oligomers has plot of resistance vs temperature profile resembling semiconductor.

引用

页码：9 / 14

页数：6

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