Abstract

Magnetic nanoparticle immobilized N-propylsulfamic acid: The chemoselective, efficient, green and reusable nanocatalyst for the conversion of aldehydesto their 1,1-diacetates (acetylals) under solvent-free

Author(s): Sara Panahati, Hassan Ghasemnejad-Bosra

Highly efficient and mild acetylation of aldehydes with acetic anhydride catalysed by N-Propylsulfamic acid supported on to magnetic Fe3O4 nanoparticles (MNPs- PSA) was performed under neutral conditions to produce corresponding 1,1-diacetates (acetylals) in good to excellent yields. The magnetic nanocatalyst can be readily recovered easily by applying an external magnet device and reused for


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