Issue 6, 2001

Solvent-free, two-step synthesis of some unsymmetrical 4-aryl-1,4-dihydropyridines

Abstract

4-Aryl-1,4-dihydropyridines are efficiently synthesised under solvent-free conditions in high yield. The use of volatile solvents is restricted to recrystallisation of the product, which, due to the high degree of conversion, is kept to a minimum. Optimisation of reaction conditions by careful consideration of the reaction rate and extent of conversion is demonstrated. This is yet another example of how readily solvent-free reactions may be implemented in the highly reproducible and efficient preparation of pure therapeutic agents with minimal production of waste and optimised use of energy.

Graphical abstract: Solvent-free, two-step synthesis of some unsymmetrical 4-aryl-1,4-dihydropyridines

Supplementary files

Article information

Article type
Paper
Submitted
18 Jul 2001
First published
30 Oct 2001

Green Chem., 2001,3, 296-301

Solvent-free, two-step synthesis of some unsymmetrical 4-aryl-1,4-dihydropyridines

W. H. Correa and J. L. Scott, Green Chem., 2001, 3, 296 DOI: 10.1039/B106397A

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