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Alkene and cyclopropane formation.[a]
| Entry | Complex | T [°C] |
2 b
Yield [%] |
E/Z |
3 b
Yield [%] |
|---|---|---|---|---|---|
| 1 | 5 a | −10 | 25 | 12:1 | 36 |
| 2 | 5 b | −20 | 68 | >60:1 | <1 |
| 3 | 5 c | −10 | 27 | 9:1 | 39 |
| 4 | 5 d | −30 | 62 | >60:1 | <1 |
| 5 | 5 e | 0 | 7 | >60:1 | 83 |
[a] Yields were determined by 1H NMR spectroscopy using 1,3,5‐tris(trifluoromethyl)benzene as the internal standard. Mes=2,4,6‐trimethylphenyl.
