Heteropoly-12-tungstophosphoric acid H3[PW12O40] over natural bentonite as a heterogeneous catalyst for the synthesis of 3,4-dihydropyrimidin-2-(1H)-ones
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DOI: 10.1016/j.arabjc.2020.04.034
Abstract: Abstract Heteropolyacid 12-tungstophosphoric acid H3[PW12O40] (TPA) immobilized over natural bentonite (bent) using the impregnation method. Prepared catalyst were well characterized by XRD, FT-IR and FeSEM. The catalytic activity of three catalysts 10%, 20% and 30%… read more here.
Keywords: synthesis dihydropyrimidin; natural bentonite; catalyst; synthesis ... See more keywords