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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 57, Number 4
JKCSEZ 57(4)
August 20, 2013 

ZrOCl2.8H2O as an Efficient Catalyst for the Three-Component Synthesis of Triazoloindazoles and Indazolophthalazines
Hamid Reza Tavakoli, Sayed Mojtaba Moosavi, Ayoob Bazgir*
Solvent-free, ZrOCl2.8H2O, Indazolophthalazines, Triazoloindazoles
An efficient and environmentally benign protocol for the three-component synthesis of triazoloindazoles and indazolophthalazines via condensation of dimedone, aldehydes and urazole or phthalhydrazide catalyzed by ZrOCl2.8H2O as an inexpensive and eco-friendly catalyst with high catalytic activity under solvent-free conditions is reported. This protocol provides a new and improved method for obtaining triazoloindazoles and indazolophthalazines in terms of good yields, simple experimental procedure and short reaction time.
472 - 475
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