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Isomerization of the Aryl Alkene Product
 | |||
|---|---|---|---|
| entry | ligand | yieldb | E:Z ratio |
| 1. | QPhos | 100% | 1.9:1 |
| 2. | DavePhos | 81% | 1:2.5 |
| 3. | SPhos | 69% | 1:2.8 |
| 4. | RuPhos | 81% | 1:1.2 |
| 5. | L1 | 90% | 1:29 |
| 6. | L1 (6 days) | 95% | 2:1 |
| 7. | L1 (5 equiv of MeOH, 24 h) | 94% | >100:1 |
See Table 2.
Combined yields of E- and Z-alkenes determined by GC.
