Table 1.
Isolated yields for reactions conducted on 1.0 mmol scale following purification by silica gel chromatography.
Isolated yield for reaction conducted on 5.0 mmol scale (using 0.5 mol % [Ir]/phen at 100 °C).
Cyclization conducted at 50 °C.
Cyclization conducted at 100 °C.
Product isolated by bulb-to-bulb distillation.