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. 2011 Oct 4;1:13. doi: 10.1186/2191-2858-1-13

Table 1.

Structure, experimental, and predicted activity of 4-anilinoquinozaline derivatives

Inline graphic
S. no. R R1 R2 R3 R4 A B D EC50 (μm)a ExperimentalpEC50b Predicted pEC50

MLR PCR PLS SW-FB GA SA

1 H Me Cl H OMe C C C 0.002 2.699 2.695 1.215 2.496 2.197 2.196 1.838
2 H Me OMe H OMe C C C 0.004 2.398 2.386 1.684 2.083 2.197 2.347 2.071
3 H Me NMe2 H OMe C C C 0.015 1.823 1.716 2.152 2.01 1.107 0.865 1.422
4 H Me NHMe H OMe C C C 0.008 2.097 2.386 1.684 2.083 2.215 1.37 2.229
5 H Me NHNH2 H OMe C C C 0.023 1.639 1.441 1.215 1.216 1.052 1.755 2.431
6 H Me NMeAc H OMe C C C 0.009 2.046 2.143 2.62 2.576 2.244 2.017 2.255
7 H Me Me H OMe C C C 0.002 2.699 1.924 1.684 1.814 2.37 1.875 1.174
8 H Me Et H OMe C C C 0.009 2.046 3.331 2.152 1.969 1.717 2.482 1.728
9 H Me CH2F H OMe C C C 0.002 2.699 3.484 1.684 3.567 1.991 0.95 1.964
10 H Me CH2Cl H OMe C C C 0.048 1.319 1.315 1.684 1.679 2.104 1.507 1.23
11 H Me CH2OH H OMe C C C 0.002 2.699 2.386 1.684 2.307 2.398 1.85 2.699
12 H Me CH2NMe2 H OMe C C C 1.8 -0.255 0.158 1.684 -0.061 0.366 -0.338 -0.208
13 H H Me H OMe C C C 6.4 -0.806 0.242 0.512 0.048 -0.066 0.251 -0.113
14 H Me Me H NO2 C C C 0.74 0.131 -0.074 1.215 0.377 -0.546 -0.23 0.628
15 H Me Me H F C C C 0.42 0.377 0.518 1.215 0.679 0.986 1.541 1.711
16 F Me Me H OEt C C C 0.004 2.398 2.869 2.152 1.872 2.071 2.351 2.071
17 H Me Me H OCHF2 C C C 0.009 2.046 1.892 1.684 1.833 1.559 0.129 1.238
18 H Me Me H SMe C C C 0.004 2.398 1.924 1.684 1.814 1.583 1.851 2.226
19 H Me Me H Et C C C 0.031 1.509 2.397 1.918 0.976 1.878 1.355 1.222
20 H Me Me H NMe2 C C C 0.016 1.796 1.815 2.152 1.742 1.731 1.615 0.927
21 H Me Me H OH C C C 0.086 1.066 0.518 1.215 0.679 0.561 1.64 1.299
22 H Me Me H NH2 C C C 0.18 0.745 1.079 1.215 0.679 0.78 2.02 1.40
23 H Me Me H N3 C C C 0.011 1.959 2.102 1.215 2.055 1.433 1.913 2.58
24 H Me Me H NHAc C C C 0.059 1.229 1.382 1.918 1.331 0.56 1.419 1.31
25 H Me Me H OMe C C C 0.002 2.699 1.391 1.684 1.514 1.766 1.543 1.732
26 H Me Me H OMe C C C 0.004 2.398 1.903 1.684 1.821 1.667 1.289 2.02
27 H Me Me H OMe C C C 0.010 2 2.164 2.152 2.271 2.248 2.551 2.252
28 H Me Me H OMe N C C 0.011 1.824 1.541 1.215 1.316 1.217 0.865 1.413
29 H Me Me H OMe C N C 0.016 1.357 0.979 1.215 1.316 1.591 1.355 2.174
30 H Me Me H NMe2 N C C 0.015 1.482 1.432 1.684 1.244 0.989 1.293 1.18
31 H Me Me H OMe N C N 0.053 1.125 0.596 0.747 0.819 1.663 2.329 1.277
32 H Me Me OMe OMe C N N 0.15 0.824 0.035 0.747 0.819 1.901 1.54 1.433

aData are the mean of three or more experiments and are reported as mean ± SE of the mean (SEM).

bThe negative logarithm of the measured EC50 (μM).