carbocation

• “A. Olah from the University of Southern California was awarded the Nobel Prize for Chemistry in 1994 "for his contributions to carbocation chemistry".”

  The Nobel Prize in Chemistry: The Development of Modern Chemistry

• “The concept of superelectrophiles thus emerged from my previous studies on superacidic carbocation and onium ion systems.”

  George A. Olah - Autobiography

• “Olah's contributions to carbocation chemistry have also led to new industrial processes e.g. for the production of high-octane petrol.”

  The Nobel Prize in Chemistry 1994

• “Around 1950 S. Winstein in the USA found a short-lived carbocation that contained penta-coordinated carbon.”

  The Nobel Prize in Chemistry 1994

• “Olah and his co-workers finally observed the 2-norbornyl carbocation in a solution of”

  Press Release: The 1994 Nobel Prize in Chemistry

• “Investigations of the nucleophilic substitution reactions and rearrangements of 2-norbornyl derivatives led S. Winstein to suggest in the early 1950s that the intermediate carbocation was non-classical and contained a pentacoordinated carbon”

  Press Release: The 1994 Nobel Prize in Chemistry

• “Since these postulated "carbocation intermediates" were likely to be not only very short lived but also very reactive, it was generally assumed that one would never be able to prepare them in some quantities.”

  Press Release: The 1994 Nobel Prize in Chemistry

• “Academy of Sciences has awarded the 1994 Nobel Prize in Chemistry for contributions to carbocation chemistry.”

  The Nobel Prize in Chemistry 1994

• “Southern California, Los Angeles, USA, receives the 1994 Nobel Prize in Chemistry for his contributions to carbocation chemistry.”

  The Nobel Prize in Chemistry 1994

• “California, USA for his contributions to carbocation chemistry.”

  Press Release: The 1994 Nobel Prize in Chemistry

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