| abstract |
The present invention relates to a novel skin lightening agent composed of a compound or a salt thereof in which a sugar is bound to a phenol derivative represented by the general formula (I).n n n n n n n n (I)n n n Wherein R 1 and R 2 are each hydrogen, glucose, galactose, mannose, sucrose, ribose, fructose and the like and one of R 1 and R 2 is hydrogen. R 3 is hydrogen, hydroxy, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, pentyl, carboxy, methoxycarbonyl, ethoxycarbonyl, propoxycarbonyl, isopropoxycarbonyl, carboxymethyl, It is characterized in that it is one of methoxycarbonyl methyl, ethoxycarbonyl methyl, poroxycarbonyl methyl, isopropoxycarbonyl methyl, butoxycarbonyl methyl.n n n The invention also relates to a process for the preparation of said compounds and to compositions comprising at least one of said compounds or salts thereof. |