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dc.contributor.authorLakshminarayanan, Komalavalli-
dc.contributor.authorSivanandhan, Monisha-
dc.contributor.authorRamasundaram, Subramaniyan-
dc.contributor.authorOh, Tae Hwan-
dc.contributor.authorShah, Kinjal J-
dc.contributor.authorSaranraj, Kumaravel-
dc.contributor.authorParasuraman, Amutha-
dc.contributor.authorBalu, Krishnakumar-
dc.date.accessioned2024-10-01T06:16:40Z-
dc.date.available2024-10-01T06:16:40Z-
dc.date.issued2023-02-
dc.identifier.issn20711050-
dc.identifier.urihttps://doi.org/10.3390/su15043678-
dc.description.abstractNiobium pentachloride functionalised perlite was prepared via a solid state dispersion technique, which was utilized as an efficient heterogeneous catalyst for the synthesis of pyrans. The immobilisation of NbCl5 over perlite was examined by Fourier-transform infrared (FT-IR) spectroscopy, X-ray diffraction (XRD), Thermogravimetric analysis (TGA), scanning electron microscope (SEM) with energy dispersive spectra (EDS), and Brunauer, Emmett and Teller (BET) surface area measurements. The wt% of NbCl5-loaded perlite was optimized based on the adequacy with respect to the yield of the pyrans in various solvents. The recyclability of the catalyst was validated in synthesizing pyrans and the results marked its efficiency up to five runs. The efficacy of the NbCl5/perlite catalyst was found to be comparable and better with respect to the other heterogeneous catalysts reported. The structures of pyrans were confirmed by FT-IR, 1H and 13C NMR spectral techniques. The proposed recyclable heterogeneous NbCl5/perlite catalyst simplifies the protocol, and has minimal chemical waste, a lower reaction time and a high-yield.en_US
dc.language.isoen_USen_US
dc.publisherMDPIen_US
dc.subjectperliteen_US
dc.subjectNbCl5en_US
dc.subjectheterogeneous catalysten_US
dc.subjectmulti component reactions (MCRs)en_US
dc.subjectpyransen_US
dc.titleNBCL5 FUNCTIONALIZED PERLITE: A POTENT AND RECYCLABLE CATALYST FOR SYNTHESIS OF PYRANS (Article)en_US
dc.typeArticleen_US
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