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A rapid and efficient catalysis system for the synthesis of 4‐vinylbiphenyl derivatives
Authors:Xiaowei Ma  Yan Liu  Ping Liu  Jianwei Xie  Bin Dai  Zhiyong Liu
Affiliation:1. School of Chemical Engineering and Technology, Tianjin University, , Tianjin, 300072 China;2. School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University, , Shihezi, 832003 China
Abstract:A series of 4‐vinylbiphenyl derivatives were synthesized by Pd(OAc)2/PCy3‐catalyzed Suzuki–Miyaura reaction in the presence of K3PO4.3H2O as base in toluene at 80°C for only 10–30 min, and the corresponding products achieved 65–98% yields. According to this efficient C―C bond‐forming method, the obtained yields of 4‐vinylbiphenyl liquid crystal compounds were up to 92–96%. Copyright © 2013 John Wiley & Sons, Ltd.
Keywords:4‐vinylbiphenyl derivatives  synthesis  Pd(OAc)2/PCy3  catalysis  Suzuki–  Miyaura reactions
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