Journal
CHEMISTRY & BIODIVERSITY
Volume 19, Issue 2, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cbdv.202100581
Keywords
bioorganic chemistry; alkylations; cyclizations; 1; 3-thiazoles; ethyl 2-(2-arylidenehydrazinyl)thiazole-4-carboxylates; antiglycation; biological studies
Funding
- Deanship of Scientific Research at King Khalid University Saudi Arabia [R.G.P. 2/109/42]
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Ethyl 2-(2-arylidene-1-alkylhydrazinyl)thiazole-4-carboxylates (1a-k) were synthesized and their structures were confirmed by spectro-analytical techniques. Antiglycation assays showed that compounds 1j and 1k exhibited promising activity in reducing diabetic complications.
Ethyl 2-(2-arylidene-1-alkylhydrazinyl)thiazole-4-carboxylates (1a-k) were synthesized by alkylation on HN- of ethyl 2-(2-arylidenehydrazinyl)thiazole-4-carboxylates. The proposed structures (1a-k) are corroborated by spectro-analytical techniques like UV, FT-IR, H-1-, C-13-NMR and HR-MS. All synthesized compounds were screened for their antiglycation and antioxidant assays. The in vitro antiglycation results revealed promising activity of compounds 1a, 1b, 1d, 1e, 1f, 1g, 1j and 1k with IC50 values 0.0004 +/- 1.097-17.22 +/- 0.538 mu M when compared to standard, aminoguanidine (IC50=25.50 +/- 0.337 mu M). Among all tested compounds 1j and 1k are the best antiglycating agents with IC50 values 1.848 +/- 0.646 and 0.0004 +/- 1.097 mu M, respectively. The in-silico studies also agree with these results where binding energy for 1j and 1k was found to be -9.25 and -8.42 kcal/mol with calculated dissociation constants of 0.16 and 0.67 mu M, respectively. The antiglycation results demonstrate the application of these compounds in reducing diabetic complications.
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