Fe3O4 supported acidic ionic liquid: An efficient and recyclable magnetic nanoparticles catalyst for one-pot synthesis of Bis(indolyl)methanes

Rani, Jims World Star; Nongthombam, Geetmani Sing; Kathing, Chingrishon ; Nongrum, Ridaphun ; Kharmawlong, George Kupar; Nongkhlaw, Rishanlang

Abstract

Bis(indolyl)methane derivatives are efficiently synthesized from indole/2-methyl indole and aldehydes using acidic ionic liquid immobilized on magnetic Fe3O4 nanoparticles. Catalyst used in this methodology is synthesized and characterized using various techniques like FT-IR, TGA, TEM, EDX, Powdered XRD and VSM. The catalyst can be easily retrieved by an external magnet and has been reused up to five runs without any appreciable loss of its catalytic activity.


Keyword(s)

Bis(indolyl)methanes, magnetic ferrite nanoparticles, acidic ionic liquid, green solvent (ethanol-water mixture), environment benign synthesis

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