fig5

Figure 5. CO₂ activation pathways at the metal center in the reaction of CO₂ reduction^[33]. In the above scheme, CO₂ is activated by coordination to a vacant site of the metal center. In the scheme below, via insertion into the M⁽ⁿ⁾-H bond. Reproduced with permission from Ref.^[33]. Copyright © 2018, American Chemical Society.