Abstract
Tetramethylguanidine supported onto magnetic Fe3O4 nanoparticles (MNPs-TMG) was prepared and identified by several techniques such as TEM, XRD, SEM, FT-IR and TGA analyses. The synthesized catalyst was utilized as an effective catalyst for aldol reaction between acetone and various aldehydes to achieve β-hydroxy carbonyl compounds in excellent yields. This procedure has several advantages, such as moderate reaction conditions, excellent yields, short reaction time and easy purification of the products. Additionally, supporting this organosuperbase catalyst on magnetic nanoparticles offers a simple method for easy reuse and recovery of the catalyst using an external magnetic field.
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