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.
Reference Key
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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