期刊
SYNTHETIC COMMUNICATIONS
卷 48, 期 24, 页码 3123-3132出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/00397911.2018.1519075
关键词
Ligand-free; one-pot; Suzuki reaction; terphenyls; triethylamine
A simple and mild protocol for the palladium-catalyzed Suzuki reaction of aryl bromides and arylboronic acids is developed. The crosscoupling reactions can be performed at room temperature using 5.0 equiv. of Et3N as solvent and base without any ligands, and affording biaryl products in good yields. In addition, the chemoselecitive Suzuki reaction of bromo-N-methyliminodiacetic acid (MIDA) boronates with arylboronic acids can be achieved in this system, and various unsymmetrical terphenyls have been prepared in moderate yields by one- pot double Suzuki reactions. [GRAPHICS] .
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