Sulfated Titania Nanoparticles: an Efficient Catalyst for the Synthesis of Polyhydroquinoline Derivatives through Hantzsch Multicomponent Reaction

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ID: 98918
2015
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Abstract
Sulfated titania nanoparticles (SO42-/TiO2 NPs) were synthesized using titanium tetraisopropoxide (TTIP) by the sol-gel method. The structure and morphology of the prepared nanocatalyst was characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM) and Brunauer–Emmett–Teller (BET) methods as well as Fourier transform infrared (FT-IR) and energy dispersive X-ray (EDX) spectroscopy. The obtained nanoparticles were used as an efficient, reusable and environmentally friendly catalyst for the synthesis of polyhydroquinoline (PHQ) derivatives via a one-pot multicomponent reaction of various aldehydes, ammonium acetate and 1,3-dicarbonyl compounds under reflux conditions. The desired Hantzsch esters were obtained in good to excellent yields and short reaction times. The SO42- /TiO2 NPs could be recycled at least three times without significant loss of their catalytic activity.
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tadjarodi2015sulfatedjournal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Tadjarodi, A.;Azad, A.;Dekamin, M. G.;Afshar, S.;Hejazi, R.;Mollahosseini, A.;
Journal journal of nanostructures
Year 2015
DOI
DOI not found
URL
http://jns.kashanu.ac.ir/article_12561_56f369de065e9f4ec9395a4a5cef3650.pdf
Keywords
chemistry Organic Chemistry Medicine (General) Chemical technology Science Dentistry nanocatalyst sol-gel sulfated titaniachemical technology

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