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Open Access Publications from the University of California

Et2Al+ alumenium ion-like chemistry. Synthesis and reactivity toward alkenes and alkene oxides

  • Author(s): Kim, KC
  • Reed, CA
  • Long, GS
  • Sen, A
  • et al.

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Inert weakly coordinating carborane anions, CB11H6X6- (X = Cl, Br), allow access to the long sought, highly electrophilic diethylaluminum moiety in Et2Al(CB11H6X6). X-ray crystallography reveals ion-like structural features reminiscent of the corresponding trialkylsilylium species. Et2Al(CB11H6X6) is a potent catalyst for the electrophilic ethenation of benzene, the polymerization of cyclohexene oxide, and the oligomerization of ethene to a low molecular weight, highly branched product. Copyright © 2002 American Chemical Society.

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