Cu-Catalyzed Chemoselective Reduction of N-Heteroaromatics with NH_(3)·BH_(3) in Aqueous Solution

查看全文 作　　者：Chao [1]Gao;Qingqing [1]Xuan;Qiuling [1,2,3]Song

机构地区：[1]Institute of Next Generation Matter Transformation,College of Chemical Engineering and College of Material Sciences Engineering at Huaqiao University,668 Jimei Boulevard,Xiamen,Fujian 361021,China;[2]Key Laboratory of Molecule Synthesis and Function Discovery Fujian Province University College of Chemistry at Fuzhou University,Fuzhou,Fujian 350108,China;[3]State Key Laboratory of Organometallic Chemistry and Key Laboratory of Organofluorine Chemistry,Shanghai Institute of Organic Chemistry,Chinese Academy of Sciences,Shanghai 200032,China

出　　处：《Chinese Journal of Chemistry》索引2021年第39卷第9期,共5页

基　　金：Financial support from the National Natural Science Founda-tion of China(Nos.21702065,21772046 and 2193103);the Promotion Program for Young and Middle-aged Teacher in Science and Tech no logy Research of Huaqiao Un iversity is gratefully ackno wledged. 摘　　要：An efficient catalytic system was successfully developed on reduction of A/-heteroaromatics with H3N-BH3 as hydrogen source in CuSO4 solution,featuri ng excel I e nt chemoselectivity as well as very broad functional group tolera nee.Various challe nging substrates,such as OH-,NH_(2)^(-), Cl^(-),Br^(-),etc.,contained quinolines,quinoxalines,1,5-naphthyridines and quinazolines were all reduced smoothly.Mecha nistic studies suggested that[Cu-H]in termediate might be gen erated from NH_(3)·BH_(3)/which was believed to form with H3N-BH3 in CuSO_(4) solution. 关键词：Nitrogen heterocycles NH_(3)·BH_(3) Hydrogen transfer [Cu-H]in termediate CHEMOSELECTIVITY

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Cu-Catalyzed Chemoselective Reduction of N-Heteroaromatics with NH_(3)·BH_(3) in Aqueous Solution

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