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چکیده
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Design and synthesis of green and recyclable catalysts in order to improve the efficiency of organic chemistry reactions is a significant challenge. 1 In organic synthesis, the Stille reaction is one of the most general, effective, and selective Pd-catalyzed cross-coupling reactions for the formation of C–C bonds. It is based on organotin compounds using catalytic amounts of Pd complexes under mild reaction conditions normally. The Stille reaction is effective in preparing promising organic molecules and is generally superior for synthesizing complex molecules including natural products. 2 In this study, first, Palladium graphitic carbon nitride Pd-g-C3N4/biochar nanosheets with high surface area and chemical stability were synthesized. The synthesis of Biphenyl derivatives was performed, with high yield. The advantages of this reaction include easy catalyst separation and reusability thanks to its recyclable heterogeneous nature, with good to excellent efficiency, and short reaction time.
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