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CuI/I2 促进的 2-乙炔基苯甲醛与邻苯二胺的亲电串联环化反应:碘代异喹啉并苯并咪唑的合成。

CuI/I2-promoted electrophilic tandem cyclization of 2-ethynylbenzaldehydes with ortho-benzenediamines: synthesis of iodoisoquinoline-fused benzimidazoles.

机构信息

College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China.

出版信息

J Org Chem. 2011 Jan 7;76(1):223-8. doi: 10.1021/jo102060j. Epub 2010 Dec 10.

DOI:10.1021/jo102060j
PMID:21142009
Abstract

An efficient tandem route to the synthesis of iodoisoquinoline-fused benzimidazole derivatives including an iodocyclization strategy has been developed. In the presence of CuI, a variety of 2-ethynylbenzaldehydes underwent the tandem reaction with benzenediamines and iodine to afford the corresponding iodoisoquinoline-fused benzimidazoles in moderate to good yields.

摘要

开发了一种高效的串联途径来合成碘异喹啉并苯并咪唑衍生物,包括碘环化策略。在 CuI 的存在下,各种 2-乙炔基苯甲醛与苯二胺和碘进行串联反应,以中等至良好的收率得到相应的碘异喹啉并苯并咪唑。

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