TABLE 2.

Optimization parameters in the model reaction.

Entry	FeCl3/BHDC	Solvent	H2O2 (mmol)	Yield (%) a
1	FeCl3/BHDC	—	0.50	45
2	FeCl3/BHDC	—	1.00	70
3	FeCl3/BHDC	—	1.50	85
4	FeCl3/BHDC	—	2.00	90
5	FeCl3/BHDC	—	2.50	95
6	FeCl3/BHDC	—	3.00	98
7	FeCl3	—	3.00	60
8	BHDC	—	3.00	10
9	—	—	3.00	0
10	FeCl3/BHDC	H2O	3.00	60
11	FeCl3/BHDC	EtOAc	3.00	42
12	FeCl3/BHDC	MeOH	3.00	45
13	FeCl3/BHDC	Acetonitrile	3.00	50

^a Conversion determined by GC, analysis.