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Letters in Drug Design & Discovery


ISSN (Print): 1570-1808
ISSN (Online): 1875-628X

Schiff Bases of Istain: Antiglycation Activity

Author(s): Khalid Mohammed Khan, Uzma Rasool Mughal, Nida Ambreen, Ambreen Khan, Shahnaz Perveen and Muhammad Iqbal Choudhary

Volume 6, Issue 5, 2009

Page: [358 - 362] Pages: 5

DOI: 10.2174/1570180810906050358

Price: $65


Schiff bases of isatin 1-20 were synthesized and tested for their antiglycation potential. Compound 6 showed 77% inhibition with an IC50= 177.2 ± 0.4 μM, which is an excellent antiglycation activity, if compared with standard aminoguanidine having 85.69% inhibition with an IC50 value 268.7 ± 12.4 μM. Compound 3 showed 71.3% inhibition with an IC = 675 ± 0.12 μ/M, which is moderately active antiglycation agent. Although compounds 1, 2, 5, 7-15, and 17- 19 demonstrated over 50% inhibition in preliminary screening, but found inactive when further evaluated for their IC values. However, compounds 4, 16, 20, and parent isatin showed less than 50% inhibition and considered to be completely inactive. The structures of all the synthesized compounds were determined by spectroscopic analysis, including UV, IR, mass and 1H-NMR spectrometry. All compounds gave satisfactory elemental analysis.

Keywords: Synthesis, Isatin, Schiff bases, Antiglycation, Lead molecules

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