From:  Small molecule and fragment-based phenotypic screening for novel building blocks with antimycobacterial activity

 Compounds from our library with antimycobacterial activity.

Structure
Name (#) MW/LogP
M. marinum (µg/mL)
Day 7
Mtb (µg/mL)
Day 14
GAST-Fe7H9GAST-Fe7H97H9a
Media A
7H9b
Media B
7H9c
Media C
Ureas
6c.

5-amino-N-(3-(4-(5-amino-3-(methylthio)-1H-1,2,4-triazole-1-carboxamido)benzyl)phenyl)-3-(methylthio)-1H-1,2,4-triazole-1-carboxamide
MW 510.60
LogP 2.68
ndndndnd19.012.54.7
Carbamothioates
9a.

S-(2-chloro-5-fluorophenyl) (2-(trifluoromethyl)phenyl)carbamothioate
MW 349.73
LogP 5.39
9.375> 506.2550ndndnd
9b.

S-[4-(methylsulfanyl)phenyl] (2-nitrophenyl) carbamothioate
MW 320.38
LogP 4.54
> 50> 5012.550ndndnd
9c.

S-(2,5-dichlorophenyl)(2-nitrophenyl) carbamothioate
MW 343.18
LogP 4.95
25506.2550ndndnd
9d.

S-pyrimidin-2-yl (2-nitrophenyl) carbamothioate
MW 276.27
LogP 1.96
> 50> 5012.5> 50ndndnd
Michael acceptors
11. Compound A-analog

3-((5-(methylthio)-1,3,4-thiadiazol-2-yl)thio)pyrazine-2-carbonitrile
MW 267.34
LogP 3.53
ndndndnd4.719.00.6
Positive controls
Rifampicin1.51.50.0020.01ndndnd
Isoniazid

MW 137.17
LogP –0.64
ndndndnd0.020.030.07

7H9: Middlebrook 7H9-based medium supplemented with glucose/glycerol/BSA/Tween; in 7H9a with glucose/BSA/tyloxapol; in 7H9b with cholesterol/BSA/tyloxapol and in 7H9c with dipalmitoyl phosphatidylcholine/BSA/tyloxapol. Mtb: Mycobacterium tuberculosis; MW: molecular weight; GAST-Fe: glycerol-alanine-salts-Tween-iron; BSA: bovine serum albumin; nd: not determined.