Abstract
Biowaste resources are the promising renewable raw materials for green and economical purpose. In this context, usage of cellulose fibers as linear and flexible bio-polymer derived from waste lignocellulosic biomass has gained much attention in various applications due to their extensive properties such as eco-friendly, low cost, easy availability, low energy consumption, bio-degradability, high tensile strength and could be recyclable compared to other synthetic fibers those are expensive and non-decomposable in nature. In the present work, biogenically prepared palladium nanoparticles from waste banana pseudostem extract are immobilized on cellulose fibers, isolated from waste banana pseudostem as dip catalyst through green protocol for the first time. The synthesized new dip catalyst was characterized by ATR-IR, FE-SEM, EDS, ICP-OES, HR-TEM, p-XRD, TG/DTA, UV–Vis, GC–MS, XPS and BET surface area analysis. Catalytic potential and reusability of newly developed dip catalyst has been studied in Suzuki–Miyaura cross-coupling reactions for the synthesis of various functional groups tolerated biaryls for practical applications. In addition, an analgesic non-steroidal anti-inflammatory drug molecule Felbinac was synthesized in greener reaction conditions by using dip catalyst with good yield.
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