Fig. 3: Catalyst recycling in the hydroboration of CO2 using 0.1 mol% loading [Na(18c6)]2[2].
From: Transforming carbon dioxide into a methanol surrogate using modular transition metal-free Zintl ions

Cycle 11 is after the catalyst was recovered from cycle 10 and added to a fresh batch of the reaction. Error bars indicate the 95% confidence interval.