Table 2.
Compound | R | AChE (IC50 µM) | BuChE (IC50 µM) | M1(%)a | M2(%) | M3(%) | M4(%) |
---|---|---|---|---|---|---|---|
14 | 16.18 | 7.65 | 56.2 | 50.8 | 24.3 | 24.9 | |
15 | 5.34 | 8.36 | n.t. | n.t. | n.t. | n.t. | |
16 | 10.41 | >50 | 25.2 | 9.8 | 2.3 | 7.7 | |
17 | >50 | >50 | 69.9 | 72.8 | 49.8 | 42.7 | |
18 | >50 | >50 | 57.4 | 71.3 | 30.1 | 43.6 | |
19 | 4.04 | 21.18 | 72.1 | 54 | 41.5 | 47.7 | |
20 | 1.18 | 2.96 | 88.5 | 67 | 66.6 | 62.3 | |
21 | 1.65 | 7.1 | 88.8 | 81 | 90.4 | 92.1 | |
22 | >50 | >50 | 37.5 | −19 | 18.5 | 4.2 | |
23 | >50 | 47.21 | n.t. | n.t. | n.t. | n.t. | |
24 | >50 | >50 | n.t. | n.t. | n.t. | n.t. | |
25 | >50 | >50 | 77.4 | 50.8 | 69.6 | 33.8 | |
26 | 5.01 | 7.65 | 60.1 | 27.4 | 43.5 | 47.3 |
Muscarinic receptor activities are the percentage of binding inhibition.