Authors | حسین نعیمی,زهرا رشید,امیر حسن زرنانی,رامین قهرمان زاده |
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Journal | J NANOPART RES |
Page number | 1 |
Volume number | 16 |
IF | 2.184 |
Paper Type | Full Paper |
Published At | 2014-04-11 |
Journal Grade | Scientific - research |
Journal Type | Electronic |
Journal Country | Iran, Islamic Republic Of |
Journal Index | ISI ,SCOPUS |
Abstract
A simple, efficient, and relatively clean method for the synthesis of pyrazolo[1,2-a][1,2,4]triazole derivatives via a one-pot three-component reaction of aromatic aldehydes, 4-phenyl-1,2,4-triazolidine-3,5-dione, and malononitrile or alkyl cyanoacetates in the presence of a catalytic amount of nanocrystalline (NC) magnesium oxide has been developed. This method has several advantages such as, high to excellent product yields, reusability of catalyst, and simple work-up procedure in the nontoxic medium.
tags: Multi-component reaction Green medium Magnesium oxide Pyrazolotriazoles 4-Phenyl-1,2,4-triazolidine-3,5-dione Malononitrile Benzaldeyde