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Application of chitosan-based magnetic organic-inorganic hybrid nanocatalyst for the multicomponent synthesis of
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1  Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran 1684613114, Iran


Catalyst has a noteworthy role in chemical processes in both industrial and scientific fields. Use of catalyst can helps to serve less energy, time and money. As a result, chemical process became more eco-friendly and economical. Nanocatalysts are an important branch in this issue. Multicomponent reactions (MCRs) are one of the most effective strategies in the field of green chemistry; witch is the utilization of a set of principles that reduces or eliminates the use or generation of hazardous substances in the design, manufacture, and application of chemical products. Therefore, by application of nanocatalysts in MCRs, chemical synthesis can approach aims of green and sustainable chemistry. As it is mentioned nanocatalyst, are important field and have many advantages in recent years. Magnetic nanocatalysts are a subdivision of catalyst and beneficial strategy in green chemistry. Biocatalysts are another one either. Meet of these two branches results a new, efficient and green nanocatalyst. Chitosan is a biopolymer and it is used in many organic syntheses as catalyst, supporting this with a magnetic nanocatalystmodified this biocatalyst and enhance its properties, also leads to another efficient and green catalyst.

Keywords: Nanocatalyst, green chemistry, MCRs,