Table 14.

Survey of pyridine ligands for C–H methylation^a.

Entry	Ligand	Yield %(7/4e)
1	L2	7/70
2	L10	14/70
3	L11	14/71
4	L12	10/71
5	L13	0/100
6	L14	0/95
7	L15	8/92
8	L16	6/94
9 b	L2 + L10	19/67

^aStandard conditions are 4e (0.2 mmol, 1.0 equiv), Mel (3.0 equiv), Pd(OAc)₂ (10 mol %), ligand (20 mol %), N9 (30 mol %), AgOAc (3.0 equiv), CHCl₃ (1.0 mL, 0.2 M), under air, 100 °C, 24 hours.

^b20 mol % of L10 and 10 mol % L2 added.