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Polymer bound aryl substituted crown ethers

  • US 4,478,983 A
  • Filed: 11/30/1983
  • Issued: 10/23/1984
  • Est. Priority Date: 03/04/1982
  • Status: Expired due to Term
First Claim
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1. In a chemical reaction process selected from the group consisting of phase transfer oxidations, nucleophilic displacements, reductions, carbene generation, condensations, alkylations and eliminations;

  • wherein a phase transfer catalyst is utilized, the improvement comprising the use of a phase transfer catalyst of the following structural formula;

    ##STR9## wherein n is 3 or 4 and the ratio of a to b to c may vary from 1;

    98;

    1 to 50;

    49;

    1 to 1;

    49;

    50.

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