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Palladium-Catalyzed Tandem Cyclization Strategy for the Assembly of 3-Halo-1,2,5-triarylpyrroles from N-Alkylanilines and Haloalkynes 被引量:1
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作者 Songjia Fang Huanfeng Jiang Wanqing Wu 《Chinese Journal of Chemistry》 SCIE CAS CSCD 2023年第2期181-187,共7页
This report discloses a distinctive palladium-catalyzed sequential tandem cyclization reaction of two molecular haloalkynes and one molecular N-alkylanilines,leading to the efficient assembly of various 3-halo-1,2,5-t... This report discloses a distinctive palladium-catalyzed sequential tandem cyclization reaction of two molecular haloalkynes and one molecular N-alkylanilines,leading to the efficient assembly of various 3-halo-1,2,5-triarylpyrrole derivatives.Two carbon-carbon tri-ple bonds and one carbon-halogen bond in two molecular haloalkynes are transformed conveniently in one single step,which may involve the aminoalkynylation of haloalkyne and cyclization of the newly formed enyne intermediate.The high chemo-and regiose-lectivities,good functional group tolerance and late-stage modification of the halopyrrole products further illustrate the synthetic value of this strategy. 展开更多
关键词 PALLADIUM-CATALYZED Haloalkynes N-Alkylanilines CYCLIZATION halopyrroles AMINES INSERTION Synthetic methods
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