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. Author manuscript; available in PMC: 2015 Jan 19.
Published in final edited form as: ChemMedChem. 2014 Aug 21;9(11):2548–2556. doi: 10.1002/cmdc.201402272

Table 2.

Biological profiles for analogues 23, 31-32, 37 and 34, selectivity index refers to BSF parasitic inhibition versus mammalian HeLa inhibition.

graphic file with name emss-61699-t0015.jpg
Entry Analogue T.brucei(BSF) EC50(μM) T.brucei(Pro) EC50(μM) Hela EC50(μM) Selectivity Index
1 23 1.8 ± 0.1 0.8±0.1 7.0±1.0 3.9
2 31 >500 >1000 >1000 -
3 32 3.2±0.1 5.7±0.6 50.8±3.7 15.8
4 37 5.2±0.3 19.2±0.8 2.1±0.4 0.4
5 34 28.5±4.6 5.6±0.6 8.3±1.11 0.3