Synthesis of Novel Compounds as New Potent Tyrosinase Inhibitors

Table 2

Tyrosinase inhibitory activities of the compounds 5a–5f, as compared to the standard inhibitors.

Entry	Compound	IC50±SEM^a (µM)
1	5a	4.39±0.76
2	5b	3.86±0.66
3	5c	2.68±0.55
4	5d	2.48±0.88
5	5e	1.98±0.39
6	5f	1.71±0.49
7	Kojic acid^b	16.67±0.52

aSEM is the standard error of the mean.
bStandard inhibitors of the enzyme tyrosinase.