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Table 2 Base structure and results of L1 assays for diamine (AA) derivatives against T. muris

From: Benzimidazole and aminoalcohol derivatives show in vitro anthelmintic activity against Trichuris muris and Heligmosomoides polygyrus

Compound

T. muris L1 assay

Cytotoxicity

Selectivity indexes

Compound identification

N

R1/R2

R3

% dead larvae (100 µM)

IC50 (µM)

Caco 2 CC50 (µM)

HepG2 CC50 (µM)

SI Caco2

SI HepG2

AA16

13

H/H

H

0.00

AA17

17

H/H

H

9.80

     

AA18

9

H/H

Boc

93.55

21.9

30.24 ± 1.56

25.20 ± 0.33

1.4

1.1

AA19

13

H/H

Boc

32.47

AA20

15

H/H

Boc

20.79

AA21

17

H/H

Boc

23.86

AA22

13

Et/Et

H

75.02

AA23

13

H/Et

Boc

87.49

AA24

13

Et/Et

Boc

61.85

AA25

13

H/Bu

Boc

28.98

AA26

13

H/Hex

Boc

12.91

  1. Cytotoxicity data were reported in a previous study [21].
  2. Bn: benzyl; Boc: tert-butoxycarbonyl; Bu: n-butyl; CC50: cytotoxic concentration 50; Dec: n-decyl; Et: ethyl; Hex: n-hexyl; IC50: inhibitory concentration 50; N: length of the alkylside chain; R: radical; SI: selectivity index. SI = CC50 (Caco-2 or HepG2)/IC50