Fig. 1. Hydrogenation of LA to GVL over Cu–Re/TiO2 catalysts with different Cu : Re molar ratios. Reaction conditions: 0.5 g LA, 50 mg catalyst, 10 mL 1,4-dioxane, 4.0 MPa H2, 180 °C, 3 h, and 1000 rpm.
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