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Magnetically recoverable polysaccharide-based metallic nanoparticles Carrageenan moss/Fe 3 O 4  (Fe 3 O 4 @CM) was tested for the synthesis of Pyrimidinone derivatives via Biginelli reaction under reflux conditions in Water. Interestingly, Fe 3 O 4 @CM prepared from unmodified Irish moss showed remarkable catalytic activity and recyclability. Low catalyst loading, simple reaction procedure, and using a green catalyst from a natural source are the important merits of this protocol.Electronic supplementary material  The online version of this article (10.1186/s13065-018-0477-3) contains supplementary material, which is available to authorized users.

chemistry central journal

Magnetic core–shell Carrageenan moss/Fe3O4: a polysaccharide-based metallic nanoparticles for synthesis of pyrimidinone derivatives via Biginelli reaction