Synthesis of amino and ammonium resorcin[4]arenes as potential receptors

  title={Synthesis of amino and ammonium resorcin[4]arenes as potential receptors},
  author={Bruno Botta and Marco Pierini and Giuliano Delle Monache and Deborah Subissati and Fabiana Subrizi and Giovanni Zappia},
Starting from the tetrabromide 1A (cone conformation) a number of resorcin[4]arene derivatives ( 3A, 4A, 5A, 6A) containing an amino function in the side chains have been prepared. Preliminary investigations, including UV, NMR, and MS analyses, of mixtures of the resorcinarene and its potential guests, such as metal cations or amino acids, evidenced promising new properties, depending on the nature of the substituents. Notably, treatment of 1A with pyridine gave readily the corresponding… 

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