Functionalized multi-wall carbon nanotube supported Pd: As novel heterogeneous catalysts for the synthesis of dihydropyrimidinones

An efficient, economical, and sustainable protocol for the synthesis of dihydropyrimidinones was developed. In order to achieve this, the MWCNT@CO-Schiff base-Pd catalyst was first successfully synthesized and fully characterized using various techniques such as FT-IR, XRD, EDS, BET, FE-SEM, TEM, EDS mapping, and TG analyses. Subsequently, the activity of synthesized catalyst was investigated for the production of valuable dihydropyrimidinone derivatives. The MWCNT@CO-Schiff base-Pd catalyzed the synthesis of the desired molecules with high efficiency, selectivity, and large cycle numbers. This method is environmentally friendly and offers a novel strategy to synthesize these compounds with an efficiency of over 93 %. The catalyst could be reused up to seven times without noticeable loss of activity. These studies provided valuable insights into the composition and properties of the nanocomposite, expanding our understanding of its potential applications.