Fig. 3

Screening of CoBr2 loading. Conditions: 1 M in DMAc, 80 °C, [BnZnBr]: [4-MeC6H4I] = 2 : 1; conversion determined by GC-MS.

Screening of CoBr2 loading. Conditions: 1 M in DMAc, 80 °C, [BnZnBr]: [4-MeC6H4I] = 2 : 1; conversion determined by GC-MS.