New, stable and reusable magnetic Fe3O4/PEG@CPTMS-thioaminophenol@Ni nanocatalyst for the synthesis of dispiro-cyclopropanes’s Meldrum’s acid

Article abstract of DOI:10.1007/s13738-019-01775-3

Magnetic Fe₃O₄/PEG@CPTMS-thioaminophenol@Ni nanocatalyst as a heterogeneous, stable and reusable nanocatalyst was formed. This nanocatalyst was characterized by FT-IR, XRD, TGA, ICP, SEM, EDS and VSM techniques and was used for six t