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

doi:10.3390/12112458

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

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

Shive Murat Singh Chauhan* , Bhaskar Garg and Tanuja Bisht

Bioorganic Research Laboratory, Department of Chemistry, University of Delhi, Delhi-110007, India

* Author to whom correspondence should be addressed.

Received: 1 October 2007; in revised form: 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 Amberlyst^TM-15 under eco-friendlyconditions.

Keywords: Calix[4]pyrrole; N-confused calix[4]pyrrole; AmberlystTM-15; Catalysis.

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MDPI and ACS Style

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.

AMA Style

Chauhan SMS, Garg B, Bisht T. Syntheses of Calix[4]Pyrroles by Amberlyst-15 Catalyzed Cyclocondensations of Pyrrole with Selected Ketones. Molecules. 2007; 12(11):2458-2466.

Chicago/Turabian Style

Chauhan, Shive M.S.; Garg, Bhaskar; Bisht, Tanuja. 2007. "Syntheses of Calix[4]Pyrroles by Amberlyst-15 Catalyzed Cyclocondensations of Pyrrole with Selected Ketones." Molecules 12, no. 11: 2458-2466.

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