Selective C-C bonds formation,N-alkylation and benzo[d]imidazoles synthesis by a recyclable zinc composite

作     者：Guanxin Zhu Zheng-Chao Duan Haiyan Zhu Dongdong Ye Dawei Wang Guanxin Zhu;Zheng-Chao Duan;Haiyan Zhu;Dongdong Ye;Dawei Wang

作者机构：The Key Laboratory of Synthetic and Biological ColloidsMinistry of EducationSchool of Chemical and Material EngineeringJiangnan UniversityWuxi 214122China State Key Laboratory of Pulp and Paper EngineeringSouth China University of TechnologyGuangzhou 510640China School of Chemical and Environmental EngineeringHubei Minzu UniversityEnshi 445000China 

出 版 物：《Chinese Chemical Letters》 (中国化学快报（英文版）)

年 卷 期：2022年第33卷第1期

页      面：266-270页

核心收录：

学科分类：081705[工学-工业催化] 08[工学] 0817[工学-化学工程与技术] 0703[理学-化学] 

基　　金：financial support of this work by the National Natural Science Foundation of China(Nos.21776111,21861039) State Key Laboratory of Pulp and Paper Engineering(No.202001) Central Laboratory,School of Chemical and Material Engineering,Jiangnan University。 

主　　题：Unsymmetrical Zinc Borrowing hydrogen Recyclability Selective 

摘      要：Earth abundant metals are much less expensive,promising,valuable metals and could be served as catalysts for the borrowing hydrogen reaction,dehydrogenation and heterocycles synthesis,instead of noble metals.The uniformly dispersed zinc composites were designed,synthesized and carefully characterized by means of XPS,EDS,TEM and XRD.The resulting zinc composite showed good catalytic activity for the N-alkylation of amines with amines,ketones with alcohols in water under base-free conditions,while unsaturated carbonyl compounds could also be synthesized by tuning the reaction conditions.Importantly,it was the first time to realize the synthesis of 2-aryl-1H-benzo[d]imidazole derivatives by using this zinc composite under green conditions.Meanwhile,this zinc catalyst could be easily recovered and reused for at least five times.