Table 1: Optimization amounts of SESA, H2O2, and KSCN in water : ethanol (1 : 4, 5 mL).

EntrySESA %H2O2 (mmol)KSCN (mmol)Time (min)Yield %

13312 (h)
21341092
33333090
4143297
55331093
65235065
75431088
810342092
910331591
1015331090
115236055
125325 (h)60
13524 (h)