Abstract
The current study involves the investigation of reducing properties of disulfide bonded heteraphanes. The calculated adiabatic electron affinity (AEA) values of heteraphanes are found comparable to that of cystine molecule and are capable of undergoing reversible redox reactions. In aqueous phase, these show high propensity to get reduced. The reaction energies calculated using isodesmic equations reflect the strain associated with the studied thiacyclophane models. Increase in the number of disulfide bonds results in less strain and more stabilization. Through-space transannular interactions in the selected heteraphanes have a decisive influence on the structure stabilization associated with the systems. The results reported in the current study are expected to play a vital role while designing redox driven drug carriers by incorporating these systems in biomolecules.
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