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Calixarenes are macrocyclic oligomers, formed from phenol-formaldehyde condensation. They are sparingly soluble and high melting solids. They have chemical and thermal stability. The number [n] enclosed in brackets, which separates calix and arene, indicates the number of aromatic ring units in the macrocycle, for example, calix[4]arene, calix[6]arene and calix[8]arene.

They act as host molecules as they possess cavities. The shape of calixarenes is like a cup or a bucket with a defined upper and lower rim along with a central annulus. Both the upper and lower rims can be tailor made to provide highly preorganized structures. They have the ability to bind to a variety of ions and find applications as ion sensors. The aromatic rings of calixarenes rotate and produce different conformations. These conformations play a critical role in various properties such as the selectivity of the calixarene to complex with a specific species. Calixarenes are known as synthetic molecular baskets and have numerous applications as surfactants, chemoreceptors, catalysis, host-guest chemistry, enzyme mimetics, ion-sensitive electrodes, non-linear optics, drug recognition, drug delivery, and nanotechnology.

  • 4-tert-Butylcalix[4]arene, 99%
  • 4-tert-Butylcalix[8]arene, 96%
  • Calix[4]arene, 98%
  • Calix[6]arene, 98%
  • Calix[8]arene, 97%
  • O(1),O(3)-Bis(carboxymethyl)-O(2),O(4)-dimethyl-p-tert-butylcalix[4]arene
  • O(1),O(3)-Bis(ethoxycarbonylmethyl)-O(2),O(4)-dimethyl-p-tert-butylcalix[4]arene
  • O(1),O(3)-Bis(ethoxycarbonylmethyl)-p-tert-butylcalix[4]arene


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