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A novel poly(vinyl chloride)-supported Pd complex was found to be a highly active catalyst for the Heck and Sonogashira reactions of aryl halides under aerobic conditions.The complex is thermally stable,and can be easily recovered and reused.The catalyst was recycled for the Heck and Sonogashira reactions for five runs without appreciable loss of its catalytic activity,and with negligible metal leaching.
A novel poly (vinyl chloride) -supported Pd complex was found to be a highly active catalyst for the Heck and Sonogashira reactions of aryl halides under aerobic conditions. The complex is thermally stable, and can be easily recovered and reused. The catalyst was recycled for the Heck and Sonogashira reactions for five runs without appreciable loss of its catalytic activity, and with negligible metal leaching.