Issue 99, 2018
From the journal:

Chemical Communications

A copper-catalyzed three component reaction of aryl acetylene, sulfonyl azide and enaminone to form iminolactone via 6π electrocyclization†

Jiarui Sun,a   Xiangsheng Cheng,a   John Kamanda Mansaray, ORCID logo a   Weihong Fei,a   Jieping Wan ORCID logo *b  and  Weijun Yao ORCID logo *a  

* Corresponding authors

a Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou, P. R. China
E-mail: Orgywj@zstu.edu.cn

b College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
E-mail: wanjieping@jxnu.edu.cn

Abstract

We developed a copper-catalyzed three component reaction of aryl acetylene, enaminone and sulfonyl azide to construct iminolactone via a cascade process involving copper-catalyzed alkyne–azide cycloaddition (CuAAC), Michael addition of metalated ketenimine followed by elimination and 6π electrocyclization.

Graphical abstract: A copper-catalyzed three component reaction of aryl acetylene, sulfonyl azide and enaminone to form iminolactone via 6π electrocyclization

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Article information

DOI
https://doi.org/10.1039/C8CC06868B
Article type
Communication
Submitted
23 Aug 2018
Accepted
19 Nov 2018
First published
20 Nov 2018

Chem. Commun., 2018,54, 13953-13956

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A copper-catalyzed three component reaction of aryl acetylene, sulfonyl azide and enaminone to form iminolactone via 6π electrocyclization

J. Sun, X. Cheng, J. K. Mansaray, W. Fei, J. Wan and W. Yao, Chem. Commun., 2018, 54, 13953 DOI: 10.1039/C8CC06868B

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