scholarly journals Supported l-tryptophan on Fe3O4@SiO2 as an efficient and magnetically separable catalyst for one-pot construction of spiro[indene-2,2′-naphthalene]-4′-carbonitrile derivatives

RSC Advances ◽  
2022 ◽  
Vol 12 (3) ◽  
pp. 1319-1330
Author(s):  
Aref Ghasemi-Ghahsareh ◽  
Javad Safaei-Ghomi ◽  
Hourieh Sadat Oboudatian

l-Tryptophan functionalized silica-coated magnetic nanoparticles were prepared and evaluated as a magnetic nanocatalyst for the synthesis of spiro[indene-2,2′-naphthalene]-4′-carbonitrile derivatives through the one-pot four-component reaction.

RSC Advances ◽  
2015 ◽  
Vol 5 (3) ◽  
pp. 2223-2230 ◽  
Author(s):  
Ali Khalafi-Nezhad ◽  
Masoumeh Divar ◽  
Farhad Panahi

This paper reports the preparation, characterization and catalytic application of a novel, magnetically separable catalyst consisting of tungstic acid supported on silica coated magnetic nanoparticles.


RSC Advances ◽  
2016 ◽  
Vol 6 (101) ◽  
pp. 99604-99614 ◽  
Author(s):  
Madhvi Bhardwaj ◽  
Manmeet Kour ◽  
Satya Paul

Bifunctional heterogeneous catalysts based on Cu(0) onto sulphonated silica/carbon composites for the one-pot synthesis of polysubstituted pyridines and oxidative transformation of aldehydes to nitriles.


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