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. 2013 Sep 6;15(17):4308-11.
doi: 10.1021/ol402268g. Epub 2013 Aug 16.

Tetrabutylammonium 2-pyridyltriolborate salts for Suzuki-Miyaura cross-coupling reactions with aryl chlorides

Shohei Sakashita  1 , Miho Takizawa, Juugaku Sugai, Hajime Ito, Yasunori Yamamoto
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Tetrabutylammonium 2-pyridyltriolborate salts for Suzuki-Miyaura cross-coupling reactions with aryl chlorides

Shohei Sakashita et al. Org Lett. .

Abstract

Palladium-catalyzed Suzuki-Miyaura cross-coupling reactions of tetrabutylammonium 2-pyridyltriolborate salts with various aryl (heteroaryl) chlorides can produce the corresponding desired coupling products with good to excellent yields. These tetrabutylammonium salts are more reactive than the corresponding lithium salts. The coupling reactions with aryl chlorides progressed in the presence of PdCl2dcpp (3 mol %) and CuI/MeNHCH2CH2OH (20 mol %) in anhydrous DMF without bases.

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