Journal
BIOORGANIC & MEDICINAL CHEMISTRY
Volume 22, Issue 3, Pages 1008-1015Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmc.2013.12.043
Keywords
1,3,4-Oxadiazole-2-thione; Mannich bases; Thymidine phosphorylase inhibitors; Anti-cancer activity; Angiogenesis
Funding
- Higher Education Commission (HEC) Pakistan
- Polish National Center of Science [DEC-2012/04/S/NZ2/00116]
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Based on the fact that the thymidine phosphorylase inhibitors are considered potential anti-tumor agents, a range of novel oxadiazole derivatives 3a-3u was designed and synthesized by a simple and facile synthetic route. The biological assay revealed that majority of compounds displayed modest inhibitory activity against thymidine phosphorylase at low micromolar concentrations (IC50 173.23 +/- 3.04 to 14.40 +/- 2.45 mu M). In the current study the most active compounds were 3h and 3q with IC50 values 14.40 +/- 2.45 and 17.60 +/- 1.07 mu M, respectively. Molecular docking studies were performed on the most active compounds (3h, 3k, 3o-3q) to show their binding mode. (C) 2013 Elsevier Ltd. All rights reserved.
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