Synthesis and reactivity of silicon transition metal complexes .33. Metallo silanols and metallo siloxanes .8. Metallo silanols of the type C(5)R(5)(OC)(2)(Me(3)P)M-SiPh(2)OH (M=Cr, Mo, W): Preparation according to the dimethyldioxirane route and conversion into metallo disiloxanes

被引：28

作者：

Malisch, W ^{[1
]}

Schmitzer, S ^{[1
]}

Lankat, R ^{[1
]}

Neumayer, M ^{[1
]}

Prechtl, F ^{[1
]}

Adam, W ^{[1
]}

机构：

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

来源：

CHEMISCHE BERICHTE | 1995年 / 128卷 / 12期

关键词：

oxofunctionalization; dimethyldioxirane; metallo silanes; metallo silanols; metallo siloxanes;

D O I：

10.1002/cber.19951281217

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The metallo silanes C(5)R(5)(OC)(2)(Me(3)P)M-SiPh(2)H (4a-c), are converted into the corresponding metallo silanols C(5)R(5)(OC)(2)-(Me(3)P)M-Si(2)Ph(2)OH [R = H, M= Cr (6a); R = Me, M = Mo (6b); M = W (6c)] by oxofunctionalization with dimethyldioxirane (5). Treatment of 6b, c with the chlorosilanes Me(2)Si(R)Cl [R = H (3b), [R = Cl (3c)] in the presence of triethylamine gives access to the metallo disiloxanes C(5)Me(5)(OC)(2)(Me(3)P)M-SiPh(2)OSiMe(2)R [M = Mo, R = H (7a); M = W, R = Cl (7b)]. The structure of tungsten silanol 6c is determined by X-ray diffraction analysis.

引用

页码：1251 / 1255

页数：5

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