Palladium-supported Fe3O4@SiO2 functionalized methyl 2-phenyl thioacetate as a sustainable catalyst for Isatins synthesis

Preparation of methyl 2-(phenylthio) acetate

In a 250 mL round-bottom flask, 1 mmol of thiophenol, 1 mmol of triethylamine, and 2 mL of dry tetrahydrofuran solvent were added and stirred. Then, dropwise, ethyl bromopyruvate (1 mmol) or bromomethyl…

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