Table 1.
Compounds | X | R | Yield (%) |
---|---|---|---|
3a | O | H | 72 |
3b | O | CH3 | 47 |
3c | O | 38 | |
3d | S | NH2 | 66 |
3e | S | CH3 | 60 |
3f | S | H2C-CH=CH2 | 72 |
3g | S | H | 55 |
3h | S | H2C-COOH | 50 |
3i | S | 66 |
Compounds | X | R | Yield (%) |
---|---|---|---|
3a | O | H | 72 |
3b | O | CH3 | 47 |
3c | O | 38 | |
3d | S | NH2 | 66 |
3e | S | CH3 | 60 |
3f | S | H2C-CH=CH2 | 72 |
3g | S | H | 55 |
3h | S | H2C-COOH | 50 |
3i | S | 66 |