Green synthesis of palladium nanoparticles using Hippophae rhamnoides Linn leaf extract and their catalytic activity for the Suzuki–Miyaura coupling in water

• Green synthesis of Pd NPs using Hippophae rhamnoides Linn leaf extract.
• Characterization of Pd NPs by UV–vis, XRD, SEM, and TEM.
• Catalytic activity of Pd NPs for the Suzuki–Miyaura coupling in water.
• Catalyst can be easily recovered and reused.

During this study, we report the green synthesis of palladium nanoparticles using Hippophae rhamnoides Linn leaf extract and their application as heterogeneous catalysts for the Suzuki–Miyaura coupling in water. The synthesized nanoparticles are characterized by XRD, SEM, TEM and UV–vis techniques. This method has the advantages of high yields, simple methodology, and elimination of ligand, organic solvent and homogeneous catalysts and easy work-up. Furthermore, the catalyst exhibits high catalytic activity, superior cycling stability and excellent substrate applicability.

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