Preparation of 7-amino-1,3-dioxo-1,2,3,5-tetrahydropyrazolo [1,2-a][1,2,4]triazole using magnetic Fe3O4 nanoparticles coated by (3-aminopropyl)-triethoxysilane as catalyst

Preparation of 7-amino-1,3-dioxo-1,2,3,5-tetrahydropyrazolo [1,2-a][1,2,4]triazole using magnetic... A one-pot catalytic three-component synthesis of 7-amino-1,3-dioxo-1,2,3,5-tetrahydropyrazolo[1,2-a][1,2,4]triazole derivatives from arylaldehydes, 4-phenylurazole, and malononitrile by employing magnetic Fe3O4 nanoparticles coated by (3-aminopropyl)-triethoxysilane as catalyst is described. This green and nano-catalytic procedure showed good recyclability and provides cleaner conversion in a short reaction time. These advantages make the protocol feasible and economical attractive for researchers. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Preparation of 7-amino-1,3-dioxo-1,2,3,5-tetrahydropyrazolo [1,2-a][1,2,4]triazole using magnetic Fe3O4 nanoparticles coated by (3-aminopropyl)-triethoxysilane as catalyst

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Publisher
Springer Netherlands
Copyright
Copyright © 2013 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-013-1184-2
Publisher site
See Article on Publisher Site

Abstract

A one-pot catalytic three-component synthesis of 7-amino-1,3-dioxo-1,2,3,5-tetrahydropyrazolo[1,2-a][1,2,4]triazole derivatives from arylaldehydes, 4-phenylurazole, and malononitrile by employing magnetic Fe3O4 nanoparticles coated by (3-aminopropyl)-triethoxysilane as catalyst is described. This green and nano-catalytic procedure showed good recyclability and provides cleaner conversion in a short reaction time. These advantages make the protocol feasible and economical attractive for researchers.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Apr 12, 2013

References

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