Abstract
Disulfide bond plays an important role in various fields, for example, biochemical processes, industrial and pharmaceutical chemistry, bioconjugates, peptidomimetics and selfassembled monolayers (SAMs) etc. In the past decades, drug delivery systems (DDS) have been widely investigated, and disulfide-based oxidation-reduction responsive DDS is the most promising one. Disulfide bonds have no physiological toxicity and remain stable in human body, and can be broken into a reduced form of glutathione (GSH) via the thiol-disulfide exchange reaction. Moreover, the GSH level in tumor tissues has been known to be at least 4-fold higher than that in normal tissues. Therefore, this specific redox potential in cells stimulates people to design oxidation-reduction responsive DDS for specifically releasing drugs in tumor cells and develop the new methods for the preparation of organic disulfanes. The present review has attempted to comprehensively summarize recent advances on the synthetic methods of disulfide bond in drug delivery systems.
Keywords: Disulfane synthesis, disulfide bonds, drug delivery systems, carrier, prodrug.
Graphical Abstract
Call for Papers in Thematic Issues
Catalytic C-H bond activation as a tool for functionalization of heterocycles
The major topic is the functionalization of heterocycles through catalyzed C-H bond activation. The strategies based on C-H activation not only provide straightforward formation of C-C or C-X bonds but, more importantly, allow for the avoidance of pre-functionalization of one or two of the cross-coupling partners. The beneficial impact of ...read more
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