Abstract
The druggability of the Schiff bases and dithiocarbamate derivatives of chitosan was examined; the oral bioavailability and bioactivity of all these molecules against selected drug targets were investigated, as well as ADME/Tox studies were conducted. It was observed that the Lipinski’s rule of five was satisfied by all the molecules. The Schiff bases and dithiocarbamate derivatives of chitosan also show good bioactivity score for protease and enzyme inhibition. The ADME/Tox studies conducted show that almost all the derivatives are free from toxicity risks, except citral- and sulfur-containing derivatives. Substitution of the –SH group by –NH2 gives better positive results in toxicology studies. From this study, it has been observed that these molecules exhibit fairly good drug score and are orally viable molecules. The mechanism driving their bioactivity might be chelation of chitosan and its derivatives with essential metal ions. Chitosan and the derivatives studied can serve as good lead molecules for further research.
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Abbreviations
- C:
-
Chitosan
- CC:
-
Chitosan Schiff base of citral
- CnC:
-
Chitosan Schiff base of cinnamaldehyde
- DC:
-
Dithiocarbamate derivatives of chitosan
- DFT:
-
Density functional theory
- GC:
-
Chitosan Schiff base of glyoxylic acid
- GPCR:
-
G protein-coupled receptors
- HC:
-
Chitosan Schiff base of heptaldehyde
- PaC:
-
Chitosan Schiff base of pyruvic acid
- PC:
-
Chitosan Schiff base of pyridoxal hydrochloride
- PcC:
-
Chitosan Schiff base of 2-pyridine carbaldehyde
- PSA:
-
Polar surface area
- SC:
-
Chitosan Schiff base of salicylaldehyde
- SMILES:
-
Simplified molecular-input line-entry system
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Noushad, T., Alikutty, P., Basila, H. et al. A comparative study on the druggability of Schiff bases and dithiocarbamate derivatives of chitosan. Polym. Bull. 73, 2165–2177 (2016). https://doi.org/10.1007/s00289-016-1601-y
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DOI: https://doi.org/10.1007/s00289-016-1601-y