Fig. 2: Catalytic performances of Ru-1, Ru-2 and Ru-3. | Nature Communications

Fig. 2: Catalytic performances of Ru-1, Ru-2 and Ru-3.

From: Efficient amine-assisted CO2 hydrogenation to methanol co-catalyzed by metallic and oxidized sites within ruthenium clusters

Fig. 2

a Schematic illustration of Ru-catalyzed independent N-formylation and amide hydrogenation and a one-pot sequential CO2 hydrogenation reaction. b Catalytic yield in N-formylation of morpholine over different catalysts. c Catalytic yield of NFM hydrogenation over different catalysts. d TOF values of Ru-1, Ru-2 and Ru-3 toward morpholine N-formylation and NFM hydrogenation, respectively. e Yield-time profile of the one-pot two-step tandem process catalyzed by Ru-2. Reaction conditions: 120 °C, 10 mmol substrate, 15 mL 1,4-dioxane as a solvent, 100 mg catalyst, 0.5 mmol Cs2CO3; for the N-formylation process: P (CO2): P (H2) = 1: 1 with a total pressure of 4 MPa; for amide hydrogenation, P (H2) = 4 MPa.

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