Synthesis of 3,4-dihydropyrimidin-2(1H)-ones catalyzed by poly(ferric 2-acrylamido-2-methylpropanesulfonate)
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DOI: 10.1007/s11696-020-01327-7
Abstract: Poly(ferric 2-acrylamido-2-methylpropanesulfonate) (PFAMPS) was prepared via the reaction of poly(2-acrylamido-2-methylpropanesulfonic acid) and Fe(OH)3. PFAMPS was used as a heterogeneous catalyst for the Biginelli reaction of aldehyde, ethyl acetoacetate, and urea to synthesize 3,4-dihydropyrimidin-2(1H)-ones with yields… read more here.
Keywords: poly ferric; ferric acrylamido; acrylamido methylpropanesulfonate; acrylamido ... See more keywords
Characterization and application of poly-ferric-titanium-silicate-sulfate in disperse and reactive dye wastewaters treatment.
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DOI: 10.1016/j.chemosphere.2020.126129
Abstract: A novel coagulant poly-ferric-titanium-silicate-sulfate (PFTS) was synthesized and employed to treat two typical kinds of dye wastewaters-disperse blue and reactive yellow. The results indicated that PFTS with a Si/Fe molar ratio of 0.02 exhibited superior… read more here.
Keywords: poly ferric; sulfate; treatment; ferric titanium ... See more keywords