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ABSTRACT
This work describes the nitric acid catalysed synthesis of wollastonite (CaSiO3) nanoparticles (NP) from tetraethyl orthosilicate and calcium nitrate tetrahydrate. The formed calcium silicate nanoparticles were characterized by Fourier transform infrared spectroscopy (FTIR), Powder X-ray Diffraction (PXRD), and scanning electron microscopy (SEM) equipped with X-ray micro analysis. The CaSiO3 NPs showed an excellent yield (93%) towards the synthesis of quinolines via Friedlander reaction. The synthesized compound 3-dimethyl-7-nitro-9-phenyl-3,4-dihydroacridin-1(2H)-one was characterized by various spectroscopic techniques.
Acknowledgments
The authors acknowledge the support by VIT-SIF for NMR and GC-MS analysis.
Funding
Prabhakarn Arunachalam and Mohamed A. Ghanem extend their gratitude to the Deanship of Scientific Research, College of Science Research Centre, King Saud University, Saudi Arabia. Dr. S. Mohana Roopan thanks DST and DBT for providing the research fund.
