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- Title
Efficient and one-pot catalytic synthesis of 2-imidazolines and bis-imidazolines with p-toluenesulfonic acid under solvent free conditions.
- Authors
Nasr-Esfahani, Masoud; Montazerozohori, Morteza; Mehrizi, Safie
- Abstract
A practical, efficient, and inexpensive method for the synthesis of 2-imidazoline from the reaction of nitriles with ethylenediamine or 1,2-propanediamine using p-toluenesulfonic acid or pyridinium p-toluenesulfonate under reflux conditions is reported. This catalyst can be successfully applied for the chemoselective conversion of dicyanobenzenes to corresponding mono- and bis-imidazolines. The applications of these catalysts are feasible because of easy preparation, easy handling, stability, inexpensive, good activity, and eco-friendly. J. Heterocyclic Chem., (2011).
- Subjects
IMIDAZOLINES; NITRILES; ETHYLENEDIAMINE; PROPANEDIAMINE; PYRIDINIUM compounds; CATALYSTS
- Publication
Journal of Heterocyclic Chemistry, 2011, Vol 48, Issue 2, p249
- ISSN
0022-152X
- Publication type
Article
- DOI
10.1002/jhet.516