Table 1.
Compound | R | R1 | R2 | R3 | R4 |
---|---|---|---|---|---|
1a | 2-OH | OH | H | H | H |
1b | 2-OH | H | OH | H | H |
1c | 2-OH | H | H | OH | H |
1d | 2-OH | H | OH | H | OH |
1e | 2-OH | OH | H | OH | H |
2a | 3-OH | OH | H | H | H |
2b | 3-OH | H | OH | H | H |
2c | 3-OH | H | H | OH | H |
2d | 3-OH | H | OH | H | OH |
2e | 3-OH | OH | H | OH | H |
3b | 4-OH | H | OH | H | H |
3d | 4-OH | H | OH | H | OH |
3e | 4-OH | OH | H | OH | H |
4a | 2-OCH3 | H | OH | H | OH |
4b | 2-OCH3 | OH | OH | OH | H |
4c | 2-OCH3 | H | OH | OH | H |
4d | 2-OCH3 | OH | H | H | OH |
4e | 2-OCH3 | OH | H | OH | H |
5a | 3-OCH3 | H | OH | H | OH |
5b | 3-OCH3 | OH | OH | OH | H |
5c | 3-OCH3 | H | OH | OH | H |
5d | 3-OCH3 | OH | H | H | OH |
5e | 3-OCH3 | OH | H | OH | H |
6a | 4-OCH3 | H | OH | H | OH |
6b | 4-OCH3 | OH | OH | OH | H |
6c | 4-OCH3 | H | OH | OH | H |
6d | 4-OCH3 | OH | H | H | OH |
6e | 4-OCH3 | OH | H | OH | H |
7 | 2-Cl | H | OH | H | OH |
8 | 3-Cl | H | OH | H | OH |
9 | 4-Cl | H | OH | H | OH |