Table 5.

Iodination of chlorobenzene (1h) using different iodination reagents.^*

Entry	Reaction Conditionsa	Reaction time (h)	Conversion (%)	Yield
				2h (%)	3h (%)	4h (%)
5-1	Ag2SO4, I2, DCM	18	0	-	-	-
5-2	AgSbF6, I2, DCM	17	73	8b	59	T
5-3	AgBF4, I2, DCM	18	93	1b	87	T
5-4	AgPF6, I2, DCM	12	56	6b	47	-

^*Percent conversion and yields were determined by GC-MS;

^aone equivalent (eq.) of each reagent was employed;

^bunidentified monoiodinated chlorobenzene; the yield was estimated using the relative response factor of the corresponding 4-chloro-iodobenzene;

T = traces were detected by GC-MS.