Table 2. In vitro schistosomicidal activity of neo- and norneocryptolepine derivatives on adult S. mansoni worms161.
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Compound | R | R1 | R2 | Worm mortality (%) | IC50 (μM) |
IC90 (μM) |
||
Egyptian strain | Puerto Rican strain | Egyptian strain | Puerto Rican strain | |||||
145 | 2-Cl | Me | NHCH(Me)(CH2)3NEt2 | 100 | 11.74 | 14.98 | 16.78 | 21.65 |
146 | 3-Cl | Me | NHCH(Me)(CH2)3NEt2 | 100 | 19.26 | 29.33 | 24.32 | 32.83 |
147 | 2-Cl | Me |
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100 | 1.26 | 3.54 | 4.05 | 6.83 |
148 | 2-Cl | Me |
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100 | 1.77 | 3.29 | 4.55 | 5.57 |
149 | 2-Cl | Me | NH(CH2)2NMe2 | 100 | 3.68 | 5.95 | 7.65 | 13.03 |
150 | 2-Cl | Me |
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100 | 3.46 | 7.85 | 8.31 | 13.39 |
151 | 2-Cl | — |
![]() |
100 | 5.41 | 6.27 | 13.68 | 17.95 |
152 | 2-Cl | — |
![]() |
100 | 3.41 | 7.61 | 6.30 | 11.02 |