Group 13 complexes of highly fluorinated enaminoketones: Synthesis, structure and reactivity

CHED 1166

Timothy E. McCord, mccorte@auburn.edu and John D. Gordon, gordejd@auburn.edu. Department of Chemistry and Biochemistry, Auburn University, 179 Chemistry Bldg, Auburn, AL 36849
Significant research efforts have been directed towards the replacement of cyclopentadienyl (or related systems) with groups such as amidinates, diamino ligands, or other combinations of nitrogen and oxygen atoms to increase the electrophilicity of the metal center and create a different steric/electronic environment at the reactive site. In particular, ß-diketiminates, aminotroponiminates and more recently anilino-substituted enone ligands have been introduced as alternatives for many metal complexes. As part of a study to generate agents that will safely degrade toxic pesticides and chemical weapons, a series of novel highly fluorinated aryl-substituted ketiminates was synthesized. Some of the efforts currently underway with Boron, Aluminum, and Gallium complexes, which feature strongly electron withdrawing groups in the ligand backbone and their reactivity towards phosphate ester bond cleavage will be reported.