An efficient Hantzsch synthesis of 1,4-dihydropyridines using p-toluenesulfonic acid under solvent-free condition
An efficient Hantzsch synthesis of various substituted 1,4-dihydropyridines from an aldehyde, a β-dicarbonyl compound and ammonium acetate using p-toluenesulfonic acid in a solvent-free condition in the absence of any other co-catalyst is described. The process is simple...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Maejo University
2014-03-01
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Series: | Maejo International Journal of Science and Technology |
Subjects: | |
Online Access: | http://www.mijst.mju.ac.th/vol8/32-40.pdf |