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Alireza Karimi

Alireza Karimi

Academic rank: Professor
ORCID: https://orcid.org/0000-0001-5006-8642
Education: PhD.
ScopusId: 57217189368
Faculty: Science
Address: Arak University
Phone:

Research

Title
Alkanedisulfamic Acid Functionalized Silica-Coated Magnetic Nanoparticles: Preparation and Catalytic Investigation in Synthesis of Mono-, Bis- and Tris[bis(4-hydroxycoumarinyl)methanes]
Type
JournalPaper
Keywords
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Year
2014
Journal SYNTHESIS-STUTTGART
DOI
Researchers Alireza Karimi ، Zakiyeh Eftekhari ، Maryam Karimi ، Zeinab Dalirnasab

Abstract

Alkanedisulfamic acid-functionalized silica-coated magnetic nanoparticles (ADSA-MNPs) were prepared by a simple method and evaluated as efficient catalysts for the preparation of mono-, bis-, and tris[bis(4-hydroxycoumarinyl)methanes] through condensation of 4-hydroxy-2H-coumarin-2-one with mono-, di-, or trialdehydes, respectively. The heterogeneous nanocatalyst was readily recovered from the reaction mixture by using external magnet and was reused five times without significant loss of catalytic activity.