Structure-Activity Relationship for Fe(III)-Salen-Like Complexes as Potent Anticancer Agents

Table 1

Experimental and predicted values of PIC₅₀ for various salen complexes by MLR and ANN models.

Structure	PIC50 experimental	PIC50 predicted
		ANN	MLR
1	−1.34227	−1.30399	−1.34220
2	−1.77815	−1.81275	−1.77810
3	−1.77815	−2.15957	−1.77810
4	−1.77815	−2.11785	−1.77810
5	−1.77815	−1.47180	−1.77820
6	−1.07918	−0.82961	−1.07920
7	−0.65321	−0.54961	−0.65320
8	−0.11394	−0.54747	−0.11390
9	0.52288	0.24813	0.60580
10	−1.77815	−1.80770	−1.78810
11	−1.77815	−1.35897	−1.78810
12	−0.61278	−0.67836	−0.61280
13	0.1549	−0.01870	0.15500
14	−0.49136	−0.46266	−0.12430
15	0.30103	−0.24032	0.30110
16	0.69897	0.73866	0.69890
17	−2.00000	−1.12536	−1.60450
18	−2.00000	−1.14808	−2.00000
19	−0.17609	−0.22396	−0.17610
20	0.30103	0.41782	0.30100
21	−0.11394	−0.21354	−0.11390
22	−1.37475	−1.42517	−1.37470
23	−1.11727	−1.45753	−1.11730
24	−1.31387	−1.10417	−1.31390
25	−1.26245	−1.61461	−1.71060
26	−1.22789	−1.04990	−1.22790
Cisplatin	−1.25527

PIC₅₀ = −log(IC₅₀).