One-pot synthesis of 3-hydroxy-2-oxindole-pyridine hybrids via Hantzsch ester formation, oxidative aromatization and sp3 CH functionalization using FeWO4 nanoparticles as recyclable heterogeneous catalyst
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DOI: 10.1016/j.catcom.2017.09.027
Abstract: Abstract Synthesis of poly-substituted 3-hydroxy-2-oxindole-pyridine hybrids is reported via sp 3 C H bond functionalization as key steps using FeWO 4 nanoparticles as reusable heterogeneous catalyst. Formation of Hantzsch ester (DHP) followed by aromatization, and… read more here.
Keywords: oxindole pyridine; pyridine; heterogeneous catalyst; hydroxy oxindole ... See more keywords