Journal
RESEARCH ON CHEMICAL INTERMEDIATES
Volume 47, Issue 9, Pages 3629-3644Publisher
SPRINGER
DOI: 10.1007/s11164-021-04498-4
Keywords
Green chemistry; Magnetic nanoparticles; 1H-pyrazolo[1; 2-b]phthalazine-5; 10-dione; dihydropyrano[3; 2-c]chromene
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Funding
- Research Council of Bu-Ali Sina University
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In this study, Fe3O4@SiO2-imine/phenoxy-Cu(II) was used as a catalyst to achieve the successful synthesis of two types of compounds under solvent-free conditions, demonstrating advantages such as easy purification, catalytic reusability, green and mild procedure, and high yields within short reaction time.
In the current study, magnetite-silica core-shell nanoparticles modified with Cu-salen complex (Fe3O4@SiO2-imine/phenoxy-Cu(II)) was utilized as a heterogeneous catalyst for the one-pot multicomponent synthesis of 1H-pyrazolo[1,2-b]phthalazine-5,10-dione and dihydropyrano[3,2-c]chromene derivatives under solvent-free conditions, without using any harmful organic reagents/solvent. The current synthetic protocol demonstrates that the reactions proceeds to completing step, leading to the successful synthesis of high purity compounds. Advantages of this method include easy purification, reusability of the catalyst, green and mild procedure and synthesis of new derivatives in high yields within short reaction time.
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