Table 2.
| |||
---|---|---|---|
R1 | R2 | % Yield | |
a | 4-OMe-Phenyl | H | 89 |
b | 4-Cl-Phenyl | H | 74 |
c | 3,5-di-CF3-Phenyl | H | 36 |
d | tert-Butyl | H | Urea |
e | Cyclohexyl | H | Urea |
f | n-Propyl | H | Urea |
g | Phenyl | Me | 68 |
h | Phenyl | Phenyl | 12 |
i | Phenyl | H | 73 |
j | 4-OMe-Phenyl | Me | 77 |
k | 3,5-di-CF3-Phenyl | Me | 60 |