Preparation of halogeno(pentafluorophenyl)silanes (C6F5)nSiX4-n (X = F, Cl and Br; n = 2, 3) from pentafluorophenyl(phenyl)silanes (C6F5)nSiPh4-n

被引：9

作者：

Frohn, HJ

Lewin, A

Bardin, VV

机构：

[1] Univ Duisburg Gesamthsch, Fachgebiet Anorgan Chem, D-47048 Duisburg, Germany

[2] Russian Acad Sci, Inst Organ Chem, Novosibirsk 630090, Russia

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1998年 / 568卷 / 1-2期

关键词：

silanes; electrophilic substitution; silicon;

D O I：

10.1016/S0022-328X(98)00720-7

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Halogeno(pentafluorophenyl)silanes (C6F5)nSiX(4-n) (X = F, Cl and Br; n = 2, 3) were prepared in good yields from the corresponding phenylsilanes (C6F5)(n)SiPh4-n by reactions with the electrophiles aHF, FSO3H, HCl-AlCl, or with AlX3 (X = Cl, Br)-halogenated hydrocarbons. The relative leaving ability of the organyl groups (C6F5, C6H5, Me) bonded to the silicon atom and the strength of the electrophilic reagent are discussed. (C) 1998 Elsevier Science S.A. All rights reserved.

引用

页码：233 / 240

页数：8

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