Pyridine–Quinoline and Biquinoline-Based Ruthenium p -Cymene Complexes as Efficient Catalysts for Transfer Hydrogenation Studies: Synthesis and Structural Characterization. - Zacharopoulos, Nikolaos; Schnakenburg, Gregor; Panagopoulou, Eleni I.; Thomaidis, Nikolaos S.; Philippopoulos, Athanassios I. (Molecules, 2025)