Issue 34, 2013
From the journal:

Chemical Communications

Gold catalyzed [3+2] cycloaddition of N-allenyl amides with azomethine imines†

Wen Zhou,a   Xiao-Xiao Li,a   Guo-Hua Li,a   Yun Wu*b  and  Zili Chen*a  

* Corresponding authors

a Department of Chemistry, Renmin University of China, Beijing 100872, China
E-mail: zilichen@ruc.edu.cn

b State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, PR China
E-mail: wuyun_sioc@hotmail.com

Abstract

Gold(I) catalyzed [3+2] cycloaddition of azomethine imines with N-allenyl amides was developed to provide two types of pyrazolyl based bicyclic heterocycles. Both pyrazolidin-3-one derived and dihydroisoquinoline derived azomethine imines reacted smoothly with N-allenyl amides to give 6-methylene bipyrazolidin-1-ones and 1-methylene hexahydropyrazolo[5,1-a] isoquinolines in moderate to good yields.

Graphical abstract: Gold catalyzed [3+2] cycloaddition of N-allenyl amides with azomethine imines

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Article information

DOI
https://doi.org/10.1039/C3CC41258J
Article type
Communication
Submitted
28 Jan 2013
Accepted
04 Mar 2013
First published
05 Mar 2013

Chem. Commun., 2013,49, 3552-3554

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Gold catalyzed [3+2] cycloaddition of N-allenyl amides with azomethine imines

W. Zhou, X. Li, G. Li, Y. Wu and Z. Chen, Chem. Commun., 2013, 49, 3552 DOI: 10.1039/C3CC41258J

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