Issue 14, 2013
From the journal:

Chemical Communications

Direct access to pyrazolo(benzo)thienoquinolines. Highly effective palladiumcatalysts for the intramolecular C–H heteroarylation of arenes†

Fátima Churruca,a   Susana Hernández,a   María Perea,a   Raul SanMartin*a  and  Esther Domínguez*a  

* Corresponding authors

a Department of Organic Chemistry II, Faculty of Science and Technology, University of the Basque Country, 48940 Leioa, Spain
E-mail: raul.sanmartin@ehu.es
Fax: +34 946012748
Tel: +34 946015435

Abstract

A short and atom-efficient strategy to obtain a series of pyrazolo(benzo)thienoquinolines is developed. Alternative catalytic systems for the key intramolecular direct heteroarylation of arenes are presented and include the first example of C–H (hetero)arylation of (hetero)arenes catalyzed by very low catalyst loadings of a palladium source.

Graphical abstract: Direct access to pyrazolo(benzo)thienoquinolines. Highly effective palladium catalysts for the intramolecular C–H heteroarylation of arenes

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Article information

DOI
https://doi.org/10.1039/C2CC37905H
Article type
Communication
Submitted
29 Aug 2012
Accepted
02 Jan 2013
First published
03 Jan 2013

Chem. Commun., 2013,49, 1413-1415

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Direct access to pyrazolo(benzo)thienoquinolines. Highly effective palladium catalysts for the intramolecular C–H heteroarylation of arenes

F. Churruca, S. Hernández, M. Perea, R. SanMartin and E. Domínguez, Chem. Commun., 2013, 49, 1413 DOI: 10.1039/C2CC37905H

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