Table 4 Structure–activity relationship for PCB chemotype.

From: Novel chemical entities inhibiting Mycobacterium tuberculosis growth identified by phenotypic high-throughput screening

Molecule

Structure

MIC1 (µM)

human Clint2

(L/hr/kg)

clogP

TPSA (Å2)

PCB-1

6.9 ± 1.7

79.7

4.73

38.3

PCB-2

3.4 ± 0.6

25.6

5.35

49.3

PCB-3

> 20

12.5

3.66

58.6

PCB-4

12 ± 2.6

52.1

3.74

47.6

PCB-5

4.9 ± 1.7

236

4.89

29.1

PCB-6

5.4 ± 0.3

35.6

4.89

29.1

PCB-7

3.7 ± 2.7

270

5

29.1

PCB-8

> 20

69.7

3.14

41.5

PCB-9

6.9 ± 2.9

273

5.43

29.1

PCB-10

9.3 ± 1.0

14.4

5.02

54.9

PCB-11

 > 20

9.66

2.75

67.8

PCB-12

7.3 ± 0.3

47.3

4.11

46.2

PCB-13

> 20

266

5.29

34.0

PCB-14

> 20

447

5.11

20.3

PCB-15

View full size image

9.7 ± 6.7

559

5.49

29.1

PCB-16

View full size image

5.0 ± 1.6

552

5.49

29.1

PCB-17

1.8 ± 0.7

673

5.49

29.1

PCB-18

View full size image

13 ± 5.0

1690

6.1

29.1

PCB-19

2.3 ± 0.7

235

5.03

29.1

PCB-20

5.5 ± 2.1

263

5.03

29.1

PCB-21

2.0 ± 0.5

813

5.66

29.1

PCB-22

5.7 ± 2.8

975

5.77

29.1

PCB-23

1.3 ± 0.5

391

5.4

29.1

PCB-24

15 ± 3.7

263

4.38

29.1

PCB-25

12 ± 2.8

20

3.51

38.33

PCB-26

View full size image

2.8 ± 0.1

149

4.87

38.33

PCB-27

3.6 ± 1.3

1680

6.21

38.33

PCB-28

9.1 ± 0.8

13.9

3.62

38.33

PCB-29

0.45 ± 0.01

883

5.51

29.1

PCB-30

View full size image

0.99 ± 0.30

121

5.14

29.1

PCB-31

View full size image

0.94 ± 0.23

7.67

5.5

49.3

  1. 1MICs were determined against wild-type M. tuberculosis after 5 days growth (n ≥ 2). 2Human microsomal clearance.