Table 3.
Ru-Catalyzed DcA of β-Keto Esters
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|---|---|---|---|---|
| entry | R1 | R2 | time (h) | yield (%) |
| 1 | p-tolyl | H | 2 h | 96 |
| 2 | o-tolyl | H | 120 h | 81 |
| 3 | p-C6H4OMe | H | 0.25 h | 93 |
| 4 | o-C6H4OMe | H | 0.25 h | 91 |
| 5 | p-C6H4Cl | H | 4 h | 96 |
| 6 | p-C6H4CF3 | H | 40 h | 90 |
| 7 | Ph | Ph | 1 h | 67 |
Ru-Catalyzed DcA of β-Keto Esters
![]() | ||||
|---|---|---|---|---|
| entry | R1 | R2 | time (h) | yield (%) |
| 1 | p-tolyl | H | 2 h | 96 |
| 2 | o-tolyl | H | 120 h | 81 |
| 3 | p-C6H4OMe | H | 0.25 h | 93 |
| 4 | o-C6H4OMe | H | 0.25 h | 91 |
| 5 | p-C6H4Cl | H | 4 h | 96 |
| 6 | p-C6H4CF3 | H | 40 h | 90 |
| 7 | Ph | Ph | 1 h | 67 |