Figure 5
From: Formic acid dehydrogenation using Ruthenium-POP pincer complexes in ionic liquids

Hydride region of the 1H NMR spectrum of Ru-1 during formic acid dehydrogenation. Reaction conditions: 0.5 mL formic acid, 1.0 mL BMIM OAc, 13.0 µmol catalyst, 90 °C. NMR taken in MeCN-d 3 , 500 µL deuterated solvent, ~ 10µL reaction mixture.