Anchored sulfonic acid on silica-layered NiFe2O4: A magnetically reusable nanocatalyst for Hantzsch synthesis of 1,4-dihydropyridines
Sign Up to like & getrecommendations! Published in 2019 at "Polyhedron"
DOI: 10.1016/j.poly.2019.04.035
Abstract: Abstract In this study, the immobilization of sulfonic acid on silica-layered nickel ferrite, NiFe2O4@SiO2@SO3H, was investigated. The sulfonated Ni-nanocatalyst was then characterized using FT-IR, SEM, EDX, XRD and VSM analyses. Catalytic activity of the Ni-nanocomposite… read more here.
Keywords: acid silica; sulfonic acid; silica layered; synthesis dihydropyridines ... See more keywords
Catalytic Performance of Immobilized Sulfuric Acid on Silica Gel for N-Formylation of Amines with Triethyl Orthoformate
Sign Up to like & getrecommendations! Published in 2022 at "Molecules"
DOI: 10.3390/molecules27134213
Abstract: In the search for convenient, green, and practical catalytic methods for the current interest in organic synthesis, a simple, green, and highly efficient protocol for N-formylation of various amines was carried out in the presence… read more here.
Keywords: formylation; sulfuric acid; triethyl orthoformate; immobilized sulfuric ... See more keywords