Table 1 Solutions commonly used in this work, prepared under N2 in DME unless otherwise indicated

From: Photolytic activation of Ni(II)X2L explains how Ni-mediated cross coupling begins

Solution

NiCl2(dtbbpy)

NiCl2(DME)

dtbbpy

Ir PS

lut

ArBr

1:1

sat., filt.a

none

none

none

none

none

1:3

none

2.0 mM

3 eq.b

none

none

none

Ni/Ir

sat., filt.a

none

none

22 mol %b

none

none

Ni/Ir/lut

sat., filt.a

none

none

22 mol %b

10 eq.b

none

Ni/Ir/ArBr

sat., filt.a

none

none

22 mol %b

none

10 eq.b

  1. See SI for further details. lut = 2,6-lutidine; ArBr = 4-bromobenzotrifluoride; DME = 1,2-dimethoxyethane.
  2. aA syringe filtered, saturated solution, approx. 0.24 mM.
  3. bRelative to total [Ni].