Beer, Paul D., Gale, Philip A., Chen, Zheng and Drew, Michael G.B.
New bis- and tris-ferrocenoyl and tris-benzoyl lower-rim substituted calixarene esters: synthesis, electrochemistry and x-ray crystal structures.
Supramolecular Chemistry, 7, (4), . (doi:10.1080/10610279608035195).
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New tris-benzoyl-, tris-ferrocenoyl- and bis-ferrocenoyl p-tert-butylcalixarene esters have been synthesised (1–3 respectively) by reaction of the parent calixarene with the appropriate acid chloride. X-ray crystal structures of all three compounds have been determined with the structure of 2 revealing an ethanol guest molecule bound deep in the cavity of the calixarene. The electrochemical properties of 2 have been extensively investigated using rotating disk electrode, cyclic and square wave voltammetric techniques. Electrochemical evidence is presented suggesting 2 has the capability of detecting neutral polar guest molecules, such as dimethylformamide, in dichloromethane solutions.
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