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. 2013 Jul 10;7:117. doi: 10.1186/1752-153X-7-117

Table 1.

SAR of 8-substituted protoberberine analogous against M. tuberculosis strain H 37 Rv

Compd a R 1 R 2 R 3 R 4 R 5 R 6 MIC b cLogP c
1
 
 
 
 
 
> 128
−0.77
2
 
 
 
 
 
128
−1.08
3
 
 
 
 
 
> 128
−0.77
6a
PhOCH3-p
OCH2O
OCH3
OCH3
H
32
0.35
6b
PhOCH3-m
OCH2O
OCH3
OCH3
H
16
0.35
6c
PhCH3-p
OCH2O
OCH3
OCH3
H
16
0.93
6d
1-naphthyl
OCH2O
OCH3
OCH3
H
8
1.60
6e
n-C10H21
OCH2O
OCH3
OCH3
H
2
3.29
7a
PhOCH3-p
OCH2O
H
OCH3
OCH3
4
0.35
7b
PhOCH3-m
OCH2O
H
OCH3
OCH3
2
0.35
7c
PhCH3-p
OCH2O
H
OCH3
OCH3
2
0.93
7d
PhCl-p
OCH2O
H
OCH3
OCH3
1
1.14
7e
PhCl-m
OCH2O
H
OCH3
OCH3
2
1.14
7f
1-naphthyl
OCH2O
H
OCH3
OCH3
2
1.60
7g
n-C10H21
OCH2O
H
OCH3
OCH3
0.5
3.29
7h
n-C12H25
OCH2O
H
OCH3
OCH3
1
4.35
8a
PhOCH3-p
OCH3
OCH3
OCH3
OCH3
H
16
0.04
8b
PhOCH3-m
OCH3
OCH3
OCH3
OCH3
H
16
0.04
8c
PhCH3-p
OCH3
OCH3
OCH3
OCH3
H
16
0.62
8d
1-naphthyl
OCH3
OCH3
OCH3
OCH3
H
4
1.29
8e
n-C10H21
OCH3
OCH3
OCH3
OCH3
H
1
2.98
RIF
 
 
 
 
 
0.0625
3.90
INH           0.0625 −1.12

a: General structural formular is shown in Figure 2.

b: MIC: minimum inhibitory concentration.

c: Chemoffice Ultra 11.0 (Cambridge office).

RIF: rifampin; INH: isoniazid.