Preparation and characterization of Pd (II) based on 2,5-pyridinedicarboxylic acid as novel recyclable metal-organic frameworks for Suzuki–Miyaura reaction

Abstract

A novel recyclable metal-organic framework (MOF) based on Pd(II) and 2,5-Pyridinedicarboxylic acid ([Pd/PDCA]n) was synthesized and characterized by different methods such as FT-IR, XRD, SEM, EDX, TGA and ICP-AES analysis. The [Pd/PDCA]n catalyst was used as a heterogeneous catalyst in the Suzuki–Miyaura reaction on to prepare biaryl derivatives from aryl halides (1 mmol) with arylboronic acids (1.5 mmol) and 0.1 g of K2CO3 in DMF (10 mL) solvent conditions at 110 °C in about 15 min with a 96 % yield and reusable MOF for the efficient preparation of biaryl derivatives through Suzuki–Miyaura reaction in an eco-friendly system. The catalyst displayed excellent yields and catalytic efficiency compared to other catalysts, and it was found to be recoverable and reusable without losing its activity after several cycles. This study presents a new approach for the sustainable preparation of biaryl derivatives using a reusable catalyst. The structure of the synthesized products was confirmed by NMR analysis and melting point.