Issue 33, 2012
From the journal:

Chemical Communications

Silver triflate–copper(ii) acetate cooperative catalysis in a cascade reaction for concise synthesis of 2-carbonyl H-pyrazolo[5,1-a]isoquinolines†

Zhiyuan Chen,*a   Liang Gao,a   Shengqing Ye,b   Qiuping Dinga  and  Jie Wu*b  

* Corresponding authors

a Key Laboratory of Functional Small Organic Molecules, Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang, China

b Department of Chemistry, Fudan University, 220 Handan Road, China
E-mail: jie_wu@fudan.edu.cn
Fax: +86 21 6564 1740
Tel: +86 21 6510 2412

Abstract

A cascade reaction of N′-(2-alkynylbenzylidene)hydrazide with allenoate in the presence of dioxygen co-catalyzed by silver triflate and copper(II) acetate under mild conditions is described, which provides an efficient approach to 2-carbonyl H-pyrazolo[5,1-a]isoquinolines.

Graphical abstract: Silver triflate–copper(ii) acetate cooperative catalysis in a cascade reaction for concise synthesis of 2-carbonyl H-pyrazolo[5,1-a]isoquinolines

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Article information

DOI
https://doi.org/10.1039/C2CC30413A
Article type
Communication
Submitted
18 Jan 2012
Accepted
14 Feb 2012
First published
14 Feb 2012

Chem. Commun., 2012,48, 3975-3977

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Silver triflate–copper(II) acetate cooperative catalysis in a cascade reaction for concise synthesis of 2-carbonyl H-pyrazolo[5,1-a]isoquinolines

Z. Chen, L. Gao, S. Ye, Q. Ding and J. Wu, Chem. Commun., 2012, 48, 3975 DOI: 10.1039/C2CC30413A

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