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  • Use of dimethyl carbonate as a solvent greatly enhances the biaryl coupling of aryl iodides and organoboron reagents without adding any transition metal catalysts.

Use of dimethyl carbonate as a solvent greatly enhances the biaryl coupling of aryl iodides and organoboron reagents without adding any transition metal catalysts.

Chemical communications (Cambridge, England) (2012-02-04)
Kiyofumi Inamoto, Chisa Hasegawa, Kou Hiroya, Yoshinori Kondo, Takao Osako, Yasuhiro Uozumi, Takayuki Doi
ABSTRACT

The coupling reaction of aryl iodides with arylboronic acids to give biaryl compounds can be efficiently performed without adding a transition metal catalyst. The key to success is the use of dimethyl carbonate as a solvent. This finding provides a new strategy for constructing a biaryl linkage.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Dimethyl carbonate, ReagentPlus®, 99%
Sigma-Aldrich
Dimethyl carbonate, anhydrous, ≥99%
Sigma-Aldrich
4-Cyanophenylboronic acid, ≥95%