Nano Fe₃O₄-PPCA: A Magnetically Recyclable Nanocatalyst for the Efficient Solvent-Free Synthesis of ۱-Aryl Pyrroles

A magnetically recyclable nanocatalyst based on nano Fe₃O₄-PPCA was developed and applied to the efficient synthesis of ۱-aryl pyrroles under solvent-free conditions. The use of a Fe₃O₄-based magnetic catalyst provides an attractive approach for combining heterogeneous catalysis with facile catalyst recovery and reuse. The catalytic activity of nano Fe₃O₄-PPCA was investigated for the preparation of a range of ۱-aryl pyrrole derivatives under mild and environmentally favorable conditions. The solvent-free reaction protocol offers several advantages, including operational simplicity, reduced use of volatile organic solvents, straightforward product isolation, and compatibility with a heterogeneous catalytic system. Following completion of the reaction, the catalyst could be readily separated from the reaction mixture using an external magnetic field and reused in subsequent reaction cycles. The prepared nanocatalyst and synthesized products were characterized using appropriate analytical and spectroscopic techniques. Overall, the results demonstrate that nano Fe₃O₄-PPCA can serve as an efficient and magnetically recoverable catalyst for the synthesis of ۱-aryl pyrroles, providing a practical strategy toward more sustainable heterocyclic synthesis.

کلیدواژه ها:

Nano Fe₃O₄-PPCA ، magnetic nanocatalyst ، magnetically recyclable catalyst ، ۱-aryl pyrroles ، solvent-free synthesis ، heterogeneous catalysis ، green chemistry.