DOI: 10.1039/d6cc05556g ISSN: 1359-7345

CuBr·(Me 2 S)-catalyzed tandem cyclization/[4+5] cycloaddition of 2-(alkynyl)cyclopropylpyridines with imidazolidines: access to indolizine-fused 1,4-diazonanes

Jialong Xiao, Yue Pu, Yuwei Yang, Tianhua Liu, Zuliang Chen, Xiaogang Li
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A copper(

i
)-catalyzed tandem cyclization/[4+5] cycloaddition of 2-(1-alkynyl)cyclopropyl pyridines with imidazolidines, providing indolizine-fused 1,4-diazonanes under mild conditions.

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