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DBU-catalyzed isomerizations/dehydrations of fulvene endoperoxides
| Entry | Fulvene | Endoperoxide | Cyclopentenone | Yield |
|---|---|---|---|---|
| 1 |
|
|
|
76% |
| 2 |
|
|
|
83% |
| 3 |
|
|
|
81% |
| 4 |
|
|
|
69% |
| 5 |
|
|
|
82% |
| 6 |
|
|
|
66% |
| 7 |
|
|
|
68% |
| 8 |
|
|
|
66% |
| 9 |
|
|
|
59% |
