Date of Award
2008
Publication Type
Master Thesis
Degree Name
M.Sc.
Department
Chemistry and Biochemistry
Keywords
Chemistry, Inorganic.
Rights
info:eu-repo/semantics/openAccess
Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial-No Derivative Works 4.0 International License.
Abstract
Our research group recently introduced the new concept of "Frustrated Lewis Pairs" (FLP) wherein sterically demanding Lewis acids and bases do not interact in the expected donor-acceptor fashion, but rather exhibit unique reactivity. To date this concept of FLPs has been limited to main group systems. In this thesis we demonstrate that Lewis acidic early metal cations can activate small molecules in the presence of sterically demanding donors to exhibit unique reactivity. The cationic Lewis acids [Cp2Zr(O't'Bu)] +, [Cp2Zr(OPh)]+, [Cp2Zr(OMes)] + and [Cp2Zr(ODipp)]+ are generated by the reaction between the neutral precursor compound and methyl abstracting reagents [Ph3C][B(C6F5)4] and B(C 6F5)3. The reactions of these early metal cations, sterically hindered phosphines with molecular hydrogen and ethylene affords a unique route to early metal hydride species and olefin inserted products. Observed products were generated ' in-situ' and characterized fully by multinuclear 1-D and 2-D NMR spectroscopy.
Recommended Citation
Labeodan, Ojisamola Adeseeke, "Synthesis and reactivity of early transition metal "Frustrated Lewis Pairs"" (2008). Electronic Theses and Dissertations. 3693.
https://scholar.uwindsor.ca/etd/3693