Volume 30, Issue 4 pp. 979-984
Full Paper

Pd-NHC-Catalyzed Direct Arylation of 1,4-Disubstituted 1,2,3-Triazoles with Aryl Halides

Tao He

Tao He

Department of Chemistry, Huaibei Normal University, Huaibei, Anhui 235000, China

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Min Wang

Min Wang

Department of Chemistry, Huaibei Normal University, Huaibei, Anhui 235000, China

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Pinhua Li

Pinhua Li

Department of Chemistry, Huaibei Normal University, Huaibei, Anhui 235000, China

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Lei Wang

Corresponding Author

Lei Wang

Department of Chemistry, Huaibei Normal University, Huaibei, Anhui 235000, China

State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China

Department of Chemistry, Huaibei Normal University, Huaibei, Anhui 235000, China, Tel.: 0086-0561-3802069; Fax: 0086-561-03090518Search for more papers by this author
First published: 07 March 2012
Citations: 19

Abstract

A highly efficient method for the synthesis of unsymmetrical multi-substituted 1,2,3-triazoles via a direct Pd-NHC system catalyzed C(5)-arylation of 1,4-disubstituted triazoles, which are readily accessible via "click" chemistry has been developed. It is important to note that CH bond functionalizations of 1,2,3-triazoles with a variety of differently substituted aryl iodides and bromides as electrophiles can be conveniently achieved through this catalytic system at significantly milder reaction temperatures of 100°C under air.

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