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Polyphosphoric acid supported on silica-coated NiFe2O4 nanoparticles: An efficient and magnetically-recoverable catalyst for Synthesis of 2,4,5-trisubstituted imidazoles

Publish place: 2nd Iran National Zeolite Conference
Publish Year: 1394
Type: Conference paper
Language: English
View: 758

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Link to this Paper:
https://civilica.com/doc/397126

Document National Code:

NZEOLITE02_029

Index date: 21 November 2015

Polyphosphoric acid supported on silica-coated NiFe2O4 nanoparticles: An efficient and magnetically-recoverable catalyst for Synthesis of 2,4,5-trisubstituted imidazoles abstract

Polyphosphoric acid supported on silica-coated NiFe2O4 magnetic nanoparticles (NiFe2O4@SiO2–PPA)was found to be a rapid, green, simple and effective method for the synthesis of 2,4,5-trisubstituted imidazoles undersolvent-free conditions. NiFe2O4@SiO2–PPA was proved to be a recyclable and highly efficient catalyst which couldbe easily handled, recovered, and reused several times without significant loss of reactivity.

Polyphosphoric acid supported on silica-coated NiFe2O4 nanoparticles: An efficient and magnetically-recoverable catalyst for Synthesis of 2,4,5-trisubstituted imidazoles Keywords:

2 , 4 , 5-trisubstituted imidazoles , Silica-coated NiFe2O4 , PPA , Magnetic recovery , Nanoparticles

Polyphosphoric acid supported on silica-coated NiFe2O4 nanoparticles: An efficient and magnetically-recoverable catalyst for Synthesis of 2,4,5-trisubstituted imidazoles authors

B Maleki

Department of Chemistry, Hakim Sabzevari University, Sabzevar, ۹۶۱۷۹-۷۶۴۸۷, Iran

G Esmailian Kaboo

Department of Chemistry, Hakim Sabzevari University, Sabzevar, ۹۶۱۷۹-۷۶۴۸۷, Iran