Table 1.

Role of Ligand Bite Angle on Efficiency of the Nonenantioselective Pd-Catalyzed Process^a

entry	ligand	bite angle	yield of 2a (%)b
1	dppe	86°	14
2	dppp	91°	44
3	dppb	94°	62
4	dppf	99°	63
5	DPEphos	104°	84
6	Xantphos	108°	83
7c	DPEphos	104°	86
8d	DPEphos	104°	88

^aReactions under N₂ with 0.2 mmol of tetrahydroisoquinoline (0.8 M).

^bIsolated yield of 2a after purification.

^cNaBF₄ instead of NaBAr^F₄.

^dReaction with isolated [(DPEPhos)Pd(η³-C₃H₅)]BF₄ (Pd-1).