%0 Journal Article %T Magnetic calcined oyster shell functionalized with taurine immobilized on β-cyclodextrin (Fe3O4/COS@β-CD-SO3H NPs) as green and magnetically reusable nanocatalyst for efficient and rapid synthesis of spirooxindoles %A Mohammadian, Narges %A Akhlaghinia, Batool %J Research on Chemical Intermediates %@ 0922-6168 %D 2019