The synthesis of oxadiazole compounds is of significant interest due to their diverse applications in pharmaceuticals and materials science. This study investigates the use of XPhos Pd G3 as a catalyst in the Buchwald coupling reaction for the efficient synthesis of 1,2,4-oxadiazole derivatives. The primary objective was to develop a reliable and scalable method to produce these compounds with high yield and purity. Our results demonstrate that the XPhos Pd G3 catalyst significantly enhances the Buchwald coupling process, achieving yields of up to 81% under optimized conditions. The synthesized 1,2,4-oxadiazoles exhibited excellent structural integrity and were characterized using NMR and mass spectrometry. These findings underscore the potential of XPhos Pd G3 as a powerful catalyst in organic synthesis, paving the way for further development of oxadiazole-based compounds with potential applications in drug development and materials science. Future research will focus on exploring the scope of this method across a broader range of substrates and applications.