| abstract |
The present invention provides a cyclic derivative compound having a chemical structure represented by the following general formula (I) or a pharmacologically acceptable salt thereof, which is excellent in whitening effect: (I) In the above formula Is derived from an aromatic ring compound, C n , C n + 1 and C n + 2 are adjacent three carbons present in the cyclic compound, n is a positive integer, R 1 and R 2 are a saturated or unsaturated straight-chain or branched alkyl group or an acyl group, R 3 , R 4, R 5 and R 6 are each independently selected from the group consisting of hydrogen, alkyl, alkoxy, acyloxy, acyloxymethyl, oxo, hydroxy, vinyl, nitrile, carboxaldehyde, Lt; / RTI > |