NDLI: Synthesis of Sterically Hindered Biaryls via the Palladium-Catalyzed Cross-Coupling Reaction of Arylboronic Acids or their Esters with Haloarenes

Content Provider	Scilit
Author	Watanabe, Takeo Miyaura, Norio Suzuki, Akira
Copyright Year	1992
Description	Sterically hindered arylboronic acids such as mesitylboronic acid (1a) were cross-coupled with 2-substituted haloarenes in high yields in the presence of tetrakis(triphenyl-phosphine)palladium(0) and aqueous barium hydroxide in 1,2-dimethoxyethane. An alternative procedure using esters of boronic acids and tripotassium phosphate in dimethylformamide was also newly developed for the cross-coupling reaction of arylboronic acids which are sensitive to hydrolytic deboronation with aqueous base.
Related Links	http://www.thieme-connect.de/products/ejournals/pdf/10.1055/s-1992-21315.pdf
Ending Page	210
Page Count	4
Starting Page	207
ISSN	09365214
e-ISSN	14372096
DOI	10.1055/s-1992-21315
Journal	Synlett
Issue Number	03
Volume Number	1992
Language	English
Publisher	Georg Thieme Verlag KG
Publisher Date	1992-01-01
Access Restriction	Open
Subject Keyword	Journal: Synlett Organic Chemistry Cross Coupling Reaction Reaction of Arylboronic Arylboronic Acids
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry

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Synthesis of Sterically Hindered Biaryls via the Palladium-Catalyzed Cross-Coupling Reaction of Arylboronic Acids or their Esters with Haloarenes