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. 2017 Oct 19;23(63):15889–15893. doi: 10.1002/chem.201704170

Table 3.

Zincate reactivity with 2 b.

graphic file with name CHEM-23-15889-g008.jpg
Entry x Ph y Br δ13C (ipso) T [°C] 3 b [%][a] 4 b [%][a]
1 4 0 171.4 25[b] 0 100
2 3 0 169.5 60 59 11
3[c] 3 0 168.8 60 69 9
4 3 2 169.4 60 63 11
5 2 2 160.4 60 3 10
6 1 3 158.7 60 0 0

[a] Yields by 19F NMR spectroscopy and GC‐MS, mass balance where appropriate is unreacted 2 b. [b] 20 min. [c] from ZnPh2 and borate 1 a instead of PhLi.