Fe3O4@SiO2-imid-PMAn magnetic pourous nanospheres as an efficient, green and recyclable catalyst for acetylation of alcohols and phenols under solvent-free conditions at room temperature

This efficient and environmentally benign procedure is a simple, clean and efficient method for the acetylation of alcohols and phenols with short reaction time, operational simplicity, ease of recovery, reusability of the catalyst by a magnetic field, excellent yields, high reaction rates, small amount of acetic anhydride usage and retention of chirality.

green، solvent-free conditions، acetylation، phenols،alcohols