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Molecules 2007, 12(11), 2458-2466; doi:10.3390/12112458
Article

Syntheses of Calix[4]Pyrroles by Amberlyst-15 Catalyzed Cyclocondensations of Pyrrole with Selected Ketones

* ,  and
Bioorganic Research Laboratory, Department of Chemistry, University of Delhi, Delhi-110007, India
* Author to whom correspondence should be addressed.
Received: 1 October 2007 / Revised: 1 November 2007 / Accepted: 1 November 2007 / Published: 9 November 2007
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Abstract

A facile and efficient protocol is reported for the synthesis of calix[4]pyrrolesand N-confused calix[4]pyrroles in moderate to excellent yields by reaction of dialkyl orcycloalkyl ketones with pyrrole catalyzed by reusable AmberlystTM-15 under eco-friendlyconditions.
Keywords: Calix[4]pyrrole; N-confused calix[4]pyrrole; AmberlystTM-15; Catalysis. Calix[4]pyrrole; N-confused calix[4]pyrrole; AmberlystTM-15; Catalysis.
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Chauhan, S.M.S.; Garg, B.; Bisht, T. Syntheses of Calix[4]Pyrroles by Amberlyst-15 Catalyzed Cyclocondensations of Pyrrole with Selected Ketones. Molecules 2007, 12, 2458-2466.

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