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Table 2 MMP inhibition potencies and clogD (logD) values of lead structures and target novel hydroxamic acids

From: Synthesis, radiosynthesis, in vitro and first in vivo evaluation of a new matrix metalloproteinase inhibitor based on γ-fluorinated α-sulfonylaminohydroxamic acid

 

IC50 [nM]a

log D values

Compound

R

X

MMP-2

MMP-9

clogDb

logD (exp.)

Ref.

(R)-CGS 27023A

CH3

N

20c

8c

1.49

 

(Mac Pherson et al., 1997)

(R)-CGS 25966

CH3

CH

11c

27c

2.72

 

(Scozzafava and Supuran, 2000)

(R)-FEtO- CGS 25966

CH2CH2F

CH

4 ± 3

50 ± 27

2.92

2.02 ± 0.03

(Wagner et al., 2011)

(R)-2

CH3

N

9.3 ± 2.0

8.3 ± 0.1

0.81

 

(Behrends et al., 2015)

(S)-2

CH3

N

7.2 ± 0.1

4.9 ± 0.4

0.81

 

(Behrends et al., 2015)

(R)-9a

CH2CH2F

CH

10.4 ± 5.9

0.5 ± 0.3

2.23

  

(S)-9a

CH2CH2F

CH

0.3 ± 0.03

0.1 ± 0.01

2.23

1.16 ± 0.2d

 
  1. aStandard deviations based on three independent experiments are given for IC50 values in nM range
  2. bclogD values were calculated by ChemAxon LogD predictor, (logD = logP at physiological pH 7.4)
  3. cKi values, where SDs are not denoted
  4. dlogD value was determined for compound (S)-[18F]9a