{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/84072"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/84072","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Interactions of Nitrated Aromatics With Electron Rich Species: Chiral and Achiral","abstract":"The work described in Chapter 6 is of a mechanistic nature. Identification of the formation of Meisenheimer complexes under conditions of phase transfer catalysis helped to rationalize the enantioselectivity observed in these systems. Quaternary ammonium cations are identified as stabilizing factors for the negatively charged Meisenheimer complexes in non-polar organic solvents. The gained mechanistic insight allowed the development of the first enantioselective nucleophilic aromatic substitution reactions.","abstract_html":"The work described in Chapter 6 is of a mechanistic nature. Identification of the formation of Meisenheimer complexes under conditions of phase transfer catalysis helped to rationalize the enantioselectivity observed in these systems. Quaternary ammonium cations are identified as stabilizing factors for the negatively charged Meisenheimer complexes in non-polar organic solvents. 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