Table 1 Optimization of reaction conditions^a

^aUnless noted, imine 1a (0.2 mmol), styrenyl chloride 2a (1.5 equiv), NiBr₂•glyme (10 mol%), L (x mol%), NaI (2.0 equiv) and Zn (2.0 equiv) were stirred in THF (0.2 M) at 25 °C for 48 h, isolated yield.
^bReaction with 2a (1.2 equiv) for 24 h.
^c0.1 mmol scale in THF (0.1 M).
^dMn was used instead of Zn.
^eWithout NaI.

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