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ZrOCl2·8H2O as an Efficient Catalyst for the Pseudo Four-Component Synthesis of Benzopyranopyrimidines
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 Title & Authors
ZrOCl2·8H2O as an Efficient Catalyst for the Pseudo Four-Component Synthesis of Benzopyranopyrimidines
Tavakoli, Hamid Reza; Moosavi, Sayed Mojtaba; Bazgir, Ayoob;
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 Abstract
An efficient and environmentally benign protocol for the pseudo four-component synthesis of benzopyranopyrimidines via condensation of salicylic aldehydes, malononitrile and various amines catalyzed by 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 benzopyranopyrimidines in terms of good yields, simple experimental procedure and short reaction time.
 Keywords
Solvent-free;Malononitrile;Benzopyranopyrimidine;Salicylaldehyde;
 Language
English
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