Research Article

Regioselective Thiocyanation of Aromatic and Heteroaromatic Compounds by Using Boron Sulfonic Acid as a New, Efficient, and Cheap Catalyst in Water

Table 2

Substrate scope in the thiocyanation reaction of arenes using KSCN/BSA/H2O2 [26].

EntrySubstrate (a)Product (b)Time (min)Yield %

1674946.tab.001674946.tab.002598
2674946.tab.003674946.tab.0041589
3674946.tab.005674946.tab.0061382
4674946.tab.007674946.tab.0082594
5674946.tab.009674946.tab.00101098
6674946.tab.0011674946.tab.00124080
7674946.tab.0013674946.tab.00143078
8674946.tab.0015674946.tab.00161097
9674946.tab.0017674946.tab.00181495
10674946.tab.0019674946.tab.00201092
11674946.tab.0021674946.tab.00228055a
12674946.tab.0024674946.tab.00237060a
13674946.tab.0025674946.tab.00266045a
14674946.tab.002715674946.tab.002816674946.tab.002917674946.tab.003018674946.tab.003119674946.tab.003220674946.tab.003321674946.tab.0034

aThis reactions were not complete (determined by TLC).