机译:The Immobilized Zirconocene Chloride on Magnetite-reduced Graphene Oxide: A Highly Efficient and Reusable Heterogeneous Nanocatalyst for One-pot Three-component Synthesis of Tetrahydrobenzobpyrans and Dihydropyrano3,2-cchromenes
Urmia Univ;
Dihydropyrano3; 2-cchromene; Dimedone; 4-Hydroxycoumarin; Malononitrile; rGO@Fe3O4@ZrCp2Cl2; Tetrahydrobenzobpyran; DIAMMONIUM HYDROGEN PHOSPHATE; METAL-FREE; RECYCLABLE CATALYST; GOLD NANOPARTICLES; VERSATILE CATALYST; PYRAN COPOLYMER; GREEN SYNTHESIS; 3 COMPONENT; DERIVATIVES; ALDEHYDES;