NDLI: Polystyrene-Supported p-Toluenesulfonic Acid: A New, Highly Efficient, and Recyclable Catalyst for the Synthesis of Hydropyridine Derivatives under Solvent-Free Conditions

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Polystyrene-Supported p-Toluenesulfonic Acid: A New, Highly Efficient, and Recyclable Catalyst for the Synthesis of Hydropyridine Derivatives under Solvent-Free Conditions

Content Provider	Scilit
Author	Jeong, Yeon Tae Reddy, Mudumala Veeranarayana
Copyright Year	2012
Description	A new environmentally benign method for the preparation of hydropyridine derivatives has been developed by a simple one-pot condensation reaction of dimidine, active methylene compounds with aldehydes, and ammonium acetate in the presence of polystyrene-supported p-toluenesulfonic acid as a highly active and reusable heterogeneous acid catalyst under solvent-free conditions at 60 °C. This new protocol has the advantages of easy availability, stability, reusability, and eco-friendliness of the catalyst, high to excellent yields, simple and easy experimental workup procedure.
Related Links	http://www.thieme-connect.de/products/ejournals/pdf/10.1055/s-0032-1317670.pdf
Ending Page	2991
Page Count	7
Starting Page	2985
ISSN	09365214
e-ISSN	14372096
DOI	10.1055/s-0032-1317670
Journal	Synlett
Issue Number	20
Volume Number	23
Language	English
Publisher	Georg Thieme Verlag KG
Publisher Date	2012-11-29
Access Restriction	Open
Subject Keyword	Journal: Synlett Organic Chemistry Polystyrene-supported P-toluenesulfonic Acid Hydropyridine Derivatives Active Methylene Compounds Solvent-free Conditions
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry

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