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Nickel indenyl complexes
Current projects include the development of new processes for a)
the oligomerization of hydrosilanes to cyclic or linear polysilanes, b)
polymerization of alkynes and alkenes, c) C-N bond formation
reactions such as coupling or hydroami-nation, d) the use of Lewis acidic
cations in organic synthesis (e.g., hydrosilylation of alkenes and ketones).
Another thrust is the design of new bifunctional, Lewis acid-Lewis base
initiators for various catalytic reactions.
metal-ligand combinations: The ability of ligands to radically alter the chemical
properties of transition metals makes them an important component of
organometallic complexes. Often
the use of new ligand will lead to novel reactivities.
One interesting class of ligands is the multidentate ligands
incorporating an indenyl ring and a tethered amine or phosphine.
These have been shown to form interesting new compounds whose
reactivities are under study. We are
also studying the preparation of various multidentate and pincer-type
ligands and their use in catalysis.