Table 1.
Entry | R1 | X | R1 |
---|---|---|---|
1a | Methyl | O | -CH3 |
1b | Methyl | O | -NH-phenyl |
1c | Methyl | O | -NH-(4-benzyl)-piperidine |
1d | 2-Furanyl | O | -CH3 |
1e | 2-Furanyl | O | -NH-phenyl |
1f | 2-Furanyl | S | -NH-phenyl |
1g | 2-Furanyl | O | -NH-(4-fluoro)-Ph |
1h | 2-Furanyl | O | -NH-(4-bromo)-Ph |
1i | 2-Furanyl | O | -NH-4-biphenyl |
1j | 2-Furanyl | S | -NH-(4-nitro)-Ph |
1k | 2-Furanyl | O | -N-Pyrrolidine |
1l | 2-Furanyl | O | -N-Morpholine |
1m | 2-Furanyl | O | -NH-(4-benzyl)-piperidine |
1n | Phenyl | S | -NH-(4-nitro)-Ph |
1o | Phenyl | O | -N-Pyrrolidine |