ISSN print edition: 0366-6352 ISSN electronic edition: 1336-9075 Registr. No.: MK SR 9/7 Published monthly

A simple and efficient one-pot synthesis of Hantzsch 1,4-dihydropyridines using silica sulphuric acid as a heterogeneous and reusable catalyst under solvent-free conditions

Eskandar Kolvari, Mohammad Ali Zolfigol, Nadiya Koukabi, and Behzad Shirmardi-Shaghasemi

Department of Chemistry, Faculty of Sciences, Semnan University, P.O. Box 35195-363, Semnan, Iran

E-mail: kolvari@semnan.ac.ir

Abstract: A simple, inexpensive and efficient one-pot synthesis of 1,4-dihydropyridine derivatives under solvent-free conditions using silica sulphuric acid (SSA) as a heterogeneous and recyclable catalyst is reported.

Keywords: 1,4-dihydropyridines – Hantzsch 1,4-dihydropyridine synthesis – heterogeneous catalyst – silica sulphuric acid – multi-component organic reaction

Full paper is available at www.springerlink.com.

DOI: 10.2478/s11696-011-0087-1

Chemical Papers 65 (6) 898–902 (2011)