Synthesis 2001(15): 2231-2233
DOI: 10.1055/s-2001-18435
SHORTPAPER
© Georg Thieme Verlag Stuttgart · New York

Palladium-Catalyzed Cross-Coupling Reaction of Aryltriethoxysilanes with Aryl Bromides under Basic Aqueous Conditions

Miki Murata*, Ryuta Shimazaki, Shinji Watanabe, Yuzuru Masuda*
Department of Materials Science, Kitami Institute of Technology, Kitami 090-8507, Japan
Fax: +81(157)264973; e-Mail: masuda-yuzuru/mtrl@king.cc.kitami-it.ac.jp;
Further Information

Publication History

Received 22 August 2001
Publication Date:
05 August 2004 (online)

Abstract

Aryltriethoxysilanes were cross-coupled with aryl bromides in high yield in the presence of a palladium catalyst and aqueous sodium hydroxide.

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Generally, aryltrimethoxysilanes could be prepared from the corresponding arylchlorosilanes. The major product using tetramethyl orthosilicate was diaryl(dimethoxy)silane. See also ref [4b] . Unlike methyl derivatives, ethyl siloxane derivatives are directly prepared by reacting aryl Grignard reagents with tetraethyl orthosilicate in acceptable yields. See Experimental Section.