1. Date:

2. Backgrand
DuBois, D. L.; Miedaner, A.; Haltiwanger, R. C. J. Am. Chem. Soc. 1991, 113, 8753.
Rivada-Wheelaghan, O.; Dauth, A.; Leitus, G.; Diskin-Posner, Y.; Milstein, D. Inorg. Chem. 2015, 54, 4526.

3. Backgrand
Khusnutdinova, J. R.; Milstein, D. Angew. Chem., Int. Ed. 2015, 54,

4. Experiments
2:3 = 3:7
KHMDS

5. Experiments
3 is more stable than 2.

6. Experiments

7. Experiments

8. Experiments

9. Mechanism

10. DFT calculations

11. Overview and outlook Stoichiometric CO2 activation
Metal−ligand-cooperation
Catalytic CO2 activation