Table 4.

Effects of metal salts on the yields of the annulated pyridine 3 and substituted indole 4. ^a

entry	metal	3	4
1	none	73	64
2	ZnCl2b	51	42
3	ZnCl2c	0	0
4	CuI	53	49
5	CuOAc	54	50
6	CuBr-SMe2	52	47
7	NiCl2	42	NDd
8	Nil2(PPh3)2	47	NDd
9	Ni(COD)2	45	NDd

^aConditions: substrate (0.15 mmol); metal salts (10 mol %) NaSO₂CF₃ (3 equiv); TBHP (5 equiv); TPGS-750-M:water (2 wt. %),

^bTMEDA (1 equiv),

^c1,10-Phen (1 equiv),

^dNot Determined.