فهرس المقالات Tridentate ligand حرية الوصول المقاله صفحة الملخص نص كامل 1 - Synthesis of novel tridentate ligand-based palladium catalyst and investigation of its reactivity towards Suzuki, Sonogashira and Heck coupling reactions Rajendran Nagarajan Panneer Selvam Rajeswari Lourdusamy Emmanuvel