A Cu-Catalysed Radical Cross-Dehydrogenative Coupling Approach to Acridanes and Related Heterocycles

被引:13
作者
Hurst, Timothy E. [1 ]
Taylor, Richard J. K. [1 ]
机构
[1] Univ York, Dept Chem, York YO10 5DD, N Yorkshire, England
基金
英国工程与自然科学研究理事会;
关键词
Acridanes; Copper; Homogeneous catalysis; Nitrogen heterocycles; Cross-coupling; Dehydrogenation; One-pot reaction; HYDRIDE-TRANSFER; RING-EXPANSION; N-ARYLATION; DERIVATIVES; FUNCTIONALIZATION; TEMPERATURE; OXINDOLES; PHENOLS; ANALOGS; AMINES;
D O I
10.1002/ejoc.201601336
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The synthesis of acridanes and related compounds through a Cu-catalysed radical cross-dehydrogenative coupling of simple 2-[2-(arylamino) aryl] malonates is reported. This method can be further streamlined to a one-pot protocol involving the in situ fomation of the 2-[2-(arylamino) aryl]malonate by alpha-arylation of diethyl malonate with 2-bromodiarylamines under Pd catalysis, followed by Cu-catalysed cyclisation.
引用
收藏
页码:203 / 207
页数:5
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