Abstract

A cyclophane-based resorcinarene tetramer, which is constructed with a tetraaza[6.1.6.1]paracyclophane and four resorcinarenes bearing hepta(carboxylic acid) residues that connect the macrocycle through amide linkages, was prepared. The binding constant of the cyclophane-based resorcinarene with immobilized histone was determined to be 1.3 × 10 7 M −1 by surface plasmon resonance measurements, which was 31-fold larger than that of the resorcinarene monomer bearing octacarboxylic acids. Moreover, the cyclophane-based tetra(resorcinarene) acted as a host toward hydrophobic molecular guests such as 6- p-toluidinonaphthalene-2-sulfonate.

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