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. 2015 Sep 18;10(11):1809–1820. doi: 10.1002/cmdc.201500300

Table 7.

Variation of the R1 group of compound 19

Inline graphic
ID R1 clogP EC50m][a] Aq. Sol.
T. b. brucei MRC5 m][b]
19 Inline graphic 3.9 0.04 >50 110
36 Inline graphic 2.5 0.3 >50 ND
37 Inline graphic 2.9 >50 >50 ND
38 Inline graphic 2.3 0.1 >50 55
39 Inline graphic 2.0 0.2 >50 ND
40 Inline graphic 1.7 0.5 >50 ND
41 Inline graphic 1.7 13 >50 ND
42 Inline graphic 2.4 2 >50 ND

[a] Values are the geometric mean of two or more determinations; standard deviation is typically within 2-fold of the EC50 value. [b] Aqueous kinetic solubility. ND: not determined.