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Dependence of Deallylation on Palladium Species.
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| entry | Pd(II) or Pd(0) cat | time [h] | yield [%]a | 12 | 37 | |
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| 1 | PdCl2(PPh3)2 | 2 | 63 | 24 | ||
| 2 | PdCl2(dppe) | 48 | 30 | <5 | ||
| 3 | PdCl2(dppf) | 24 | 95 | 0 | ||
| 4 | PdCl2 | 20 | 66 | 16 | ||
| 5 | Pd(OAc)2 | 20 | 65 | 8 | ||
| 6 | Pd(PPh3)4 | 3 | 0 | ≥95 | ||
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All are isolated yields.
