In this paper, the authors investigate Cp*Ta(amidate) complexes as potential precursors for the synthesis of valuable dinitrogen complexes. The results indicate that the Cp*, amidate ligand environment can be useulf in supporting dinitrogen complexation by low valent tantalum species.
Oxygen extrusion from amidate ligands to generate terminal TaO units under reducing conditions. How to successfully use amidate ligands in dinitrogen coordination chemistry
Patricia Horrillo-Martinez, Brian O. Patrick, Laurel L. Schafer and Michael D. Fryzuk
Dalton Trans., 2012, DOI: 10.1039/C1DT11595B