Molecules 2012, 17(10), 12121-12139; doi:10.3390/molecules171012121
Article

Suzuki-Miyaura Reactions Catalyzed by C2-Symmetric Pd-Multi-Dentate N-Heterocyclic Carbene Complexes

Lan Jiang 1,2 email, Fengjun Shan 2 email, Zhengning Li 2,* email and Defeng Zhao 1,* email
1 State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China 2 College of Environmental and Chemical Engineering, Dalian University, Dalian 116622, China
* Authors to whom correspondence should be addressed.
Received: 20 September 2012; in revised form: 6 October 2012 / Accepted: 9 October 2012 / Published: 16 October 2012
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Abstract: Suzuki-Miyaura coupling reactions are promoted by Pd complexes ligated with C2-symmetric multi-dentate N-heterocyclic carbenes derived in situ from Pd(OAc)2 and imidazolium salts. Good to excellent yields were obtained for aryl bromides as substrates. Turnover numbers of up to 105 could be achieved with 5 × 10−4 mol% of Pd(OAc)2/1 × 10−3 mol% NHC precatalyst in 24 h.
Keywords: imidazolium salt; N-heterocyclic carbene; palladium; Suzuki-Miyaura coupling; catalysis

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MDPI and ACS Style

Jiang, L.; Shan, F.; Li, Z.; Zhao, D. Suzuki-Miyaura Reactions Catalyzed by C2-Symmetric Pd-Multi-Dentate N-Heterocyclic Carbene Complexes. Molecules 2012, 17, 12121-12139.

AMA Style

Jiang L, Shan F, Li Z, Zhao D. Suzuki-Miyaura Reactions Catalyzed by C2-Symmetric Pd-Multi-Dentate N-Heterocyclic Carbene Complexes. Molecules. 2012; 17(10):12121-12139.

Chicago/Turabian Style

Jiang, Lan; Shan, Fengjun; Li, Zhengning; Zhao, Defeng. 2012. "Suzuki-Miyaura Reactions Catalyzed by C2-Symmetric Pd-Multi-Dentate N-Heterocyclic Carbene Complexes." Molecules 17, no. 10: 12121-12139.

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