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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 37, 2007 - Issue 13
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Original Articles

Synthesis of 1‐Indanones via Intramolecular Cyclodehydration of 3‐Arylpropionic Acids Catalyzed by Heteropoly Acid as Heterogeneous Catalyst

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Pages 2171-2177 | Received 20 Sep 2006, Published online: 03 Jul 2007
 

Abstract

Intramolecular cyclodehydration of 3‐arylpropionic acids catalyzed by heteropoly acids was investigated for the first time. Several 3‐arylpropionic acids were refluxed and dehydrated in chlorobenzene in the presence of 0.2 equivalent of heteropoly acids, and 1‐indanones were obtained in good yield. At the same time, intermolecular Friedel–Crafts acylation were observed in this experiment.

Acknowledgment

This study was financially supported in part by the National Natural Science Foundation of China (20372053 and 29972033).

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