Table 1.

Product 1 syntheses and molecular weights.

Sample	Reactants (mmol)	Catalyst (mmol)	Zn (mmol)	BPY (mmol)	PPh3 (mmol)	Mn a (kDa)	Mw a (kDa)	PDI
NiBr2	6.4	0.5	27.5	-	3.2	1.3	2.0	1.6
NiCl2	6.4	0.5	27.5	-	3.2	1.5	2.3	1.6
Ni(COD)2	2.9	7.2	-	7.2	-	1.4	2.4	1.7

^a Estimated by GPC analyses (calibrated with polystyrene standards).