Magnetite-supported sulfonic acid: a retrievable nanocatalyst for the Ritter reaction and multicomponent reactions

• Published in: Green chemistry : an international journal and green chemistry resource : GC Vol. 15; no. 7; pp. 1895 - 1899
• Main Authors: Gawande, Manoj B., Rathi, Anuj K., Nogueira, Isabel D., Varma, Rajender S., Branco, Paula S.
• Format: Journal Article
• Language: English
• Published: CAMBRIDGE Royal Soc Chemistry 01.01.2013; Royal Society of Chemistry
• Subjects: Catalysis; Catalysts; Catalytic reactions; Chemistry; Chemistry, Multidisciplinary; Exact sciences and technology; General and physical chemistry; Green & Sustainable Science & Technology; Nanocomposites; Nanomaterials; Nanostructure; Physical Sciences; Science & Technology; Science & Technology - Other Topics; Sulfonic acid; Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry; GOLD NANOPARTICLES; OXIDATION; ALCOHOLS; ORGANIC-SYNTHESIS; NITRILES; CARBONYL-COMPOUNDS; HETEROGENEOUS CATALYSIS; RECYCLABLE CATALYST; SILICA; METAL NANOPARTICLES; Ritter reaction; Iron oxide; Multicomponent reaction; Iron II Iron III Oxides; Nanoparticle; Quinoline derivatives; Recyclable catalyst; Sulfonic acid; Supported catalyst; Chlorosulfuric acid; Characterization; Magnetite; Magnetic separation; Solvent free; Strecker synthesis; Green chemistry; Reusable catalyst; Chemical synthesis
• ISSN: 1463-9262; 1463-9270
• DOI: 10.1039/c3gc40457a

Magnetite-sulfonic acid (Nanocat-Fe-OSO3H), prepared by the wet-impregnation method, serves as a magnetically retrievable sustainable catalyst for the Ritter and multicomponent reactions. The as synthesized catalyst can be used in several reaction cycles without any loss of activity.