This lecture will review some emerging trends in organometallic and coordination chemistry, showing how those gave birth to the current activity in redox noninnocent ligands, as well as the several other phenomena that are currently being called �noninnocent.� Focus will then be made on our efforts to develop new types of redox noninnocent ligands, different from those based on alpha diketones and their heteroatom relatives. Specific effort will be made to discuss general electronic structural features to look for in a ligand to develop noninnocence, and to identify whether that noninnocence is triggered by oxidation or by reduction. In general, the goal is to put rationality in ligand choice. Examples of highly nitrogen rich tetrazines as noninnocent ligands will be described, and their potential probed.

Award Address  (ACS Award in Organometallic Chemistry sponsored by The Dow Chemical Company Foundation). Systematic development of new redox-noninnocent ligands

247th National Meeting (2014)

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