Abstract
Layered double hydroxide (LDH) with Mg2+ and Al3+ cations in the brucite-like layer and paratungstate anions in the interlayer has been prepared by anion exchange of Mg,Al-LDH precursor containing terephthalate and tungsten precursor salt. The catalyst has been characterised by powder X-ray diffraction, RAMAN and UV-DR spectroscopy. The results indicated the formation of a solid with intercalated W7O246-species in the interlayer gallery. The catalytic oxidation of tiophene derivatives using hydrogen peroxide as oxidising agent and various solvents, in the presence of paratungstate layered double hydroxide (W-LDH) as catalyst, was investigated under mild reaction conditions.
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