Download MendeleySynthesis and Evaluation of Alpha-Thymidine Analogues as Novel Antimalarials.
Cui, H., Carrero-Lerida, J., Silva, A.P.G., Whittingham, J.L., Brannigan, J.A., Ruiz-Perez, L.M., Read, K.D., Wilson, K.S., Gonzalez-Pacanowska, D., Gilbert, I.H.(2012) J Med Chem 55: 10948
- PubMed: 23240776
- DOI: https://doi.org/10.1021/jm301328h
- Primary Citation of Related Structures:
2YOF, 2YOG, 2YOH - PubMed Abstract:
Plasmodium falciparum thymidylate kinase (PfTMPK) is a key enzyme in pyrimidine nucleotide biosynthesis. 3-Trifluoromethyl-4-chloro-phenyl-urea-α-thymidine has been reported as an inhibitor of Mycobacterium tuberculosis TMPK (MtTMPK). Starting from this point, we designed, synthesized and evaluated a number of thymidine analogues as antimalarials. Both 5'-urea-α- and β-thymidine derivatives were moderate inhibitors of PfTMPK and furthermore showed moderate inhibition of parasite growth. The structure of several enzyme-inhibitor complexes provides a basis for improved inhibitor design. However, we found that certain 5'-urea-α-thymidine analogues had antimalarial activity where inhibition of PfTMPK is not the major mode of action. Optimization of this series resulted in a compound with potent antimalarial activity (EC(50) = 28 nM; CC(50) = 29 μM).
Organizational Affiliation:
Division of Biological Chemistry and Drug Discovery, College of Life Sciences, University of Dundee, Sir James Black Centre, Dundee, DD1 5EH, UK.
