Regiospecific and stereospecific reactions of triphenylmethyl hexafluorophosphate with rhenium alkyls (.eta.-C5H5)Re(NO)(PPh3)(R). .alpha.- vs. .beta.-Hydride abstraction
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This study mapped the structural features which control the regiochemistry of hydride abstraction by Ph//3C** plus PF//6** minus from alkyls eta -C//5H//5)Re(NO)(PPh//3)(R). Accurate predictions can now be made regarding the reactivity of yet unsynthesized rhenium alkyls. Detailed transition-state models for alpha - and beta -hydride abstraction have been proposed. This study has also provided additional examples of the ability of ( eta -C//5H//5)Re(NO)(PPh//3) systems to participate in stereospecific and/or highly stereoselective reactions. The rhenium chirality is efficiently transferred to new, ligand-based centers or elements of chirality.
Journal of the American Chemical Society
author list (cited authors)
Kiel, W. A., Lin, G. Y., Bodner, G. S., & Gladysz, J. A.
complete list of authors
Kiel, William A||Lin, Gong Yu||Bodner, Gerardo S||Gladysz, JA