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New Anionic Ligands for Base Metal Catalysis

Final Report Summary - SILACOFECC (New Anionic Ligands for Base Metal Catalysis)

A large fraction of the homogeneous catalysts used in the chemical industry contain precious metals, which are in general both expensive and toxic. It would be desirable to replace these expensive metals with more abundant ones such as iron or cobalt. To this end, new ligands need to be discovered that tune the chemical properties of these metals and thus makes them efficient catalysts.
The SilaCoFeCC project is concerned with the development of new silicon-based ligands in view of applications in first-row transition-metal catalysis. During the project period, a series of new silicon compounds incorporating N-pyrrolyl substituents have been synthesized. In particular, hydrogen atoms bound to silicon have been shown to migrate to a carbon atom in compounds incorporating 2-(aryliminomethyl)pyrrolyl substituents. This reaction has been investigated in details, and the new compounds generated this way may serve as precursors to useful ligands.