Pd(OAc)2-Catalyzed Ligand-Free Suzuki Reaction in Ethylene Glycol at Room Temperature

doi:10.3724/SP.J.1088.2011.10225

Abstract

Abstract: An aerobic and efficient protocol has been developed for the Pd(OAc)₂-catalyzed ligand-free Suzuki reaction of aryl bromides with aryl boronic acids in ethylene glycol at room temperature, affording cross-coupling products in good to excellent yields. Under the optimized reaction conditions (i.e., 0.5 mmol ArBr, 0.75 mmol ArB(OH)₂, 0.5 mol% Pd(OAc)₂, 1.0 mmol K₃PO₄·7H₂O, and 2 ml ethylene glycol), the Suzuki reaction between 4-bromoanisole and phenylboronic acid provided a 95% isolated yield in 20 min.

Key words: Suzuki reaction, palladium, ligand-free, ethylene glycol, room temperature

LIU Chun, HAN Na, YUAN Hao, HE Xiao-Yu, JIN Zi-Lin. Pd(OAc)₂-Catalyzed Ligand-Free Suzuki Reaction in Ethylene Glycol at Room Temperature[J]. Chinese Journal of Catalysis, 2011, 32(7): 1204-1207.

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URL: https://www.cjcatal.com/EN/10.3724/SP.J.1088.2011.10225

https://www.cjcatal.com/EN/Y2011/V32/I7/1204

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Pd(OAc)₂-Catalyzed Ligand-Free Suzuki Reaction in Ethylene Glycol at Room Temperature

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