| abstract |
(57) [Summary] [Object] To provide a novel compound containing a sulfur atom, an inhibitor for tyrosinase activity, and an external preparation for skin, particularly a whitening cosmetic, containing these active ingredients. [Structure] General formula (I) [Where Y is Or (In the formula, R means a lower alkyl group, a phenyl group or a substituted phenyl group.), X is -A-COOH (in the formula, A Means an alkylene group or a thioalkylene group. ) Or -CH 2 -B (wherein, B denotes a phenyl group, a substituted phenyl group, a pyridyl group or a substituted pyridyl group.), N Means an integer of 0 to 1. ] The sulfur atom containing compound shown by these. |