| 摘要 |
Compounds of formula (I), process for making the same, and cosmetic compositions and methods of skin lightening using compounds of formula (I) as skin lightening agents: (I) wherein each A1 and/or A2 independently is = H or COR, CO 2R, CONHR, the latter three having the following formula (A): (A) where R = C1-C18 saturated or unsaturated, linear or branched, hydrocarbon; and each Y1 and/or Y2 independently is H; C1-C18 saturated or unsaturated hydrocarbon; or OZ, where Z = H or COR1, CO2R1, CONHR1 of formula (B): (B) and where R1 = C1- C18 saturated or unsaturated, linear or branched, hydrocarbon; X is carbon, nitrogen, sulphur, or oxygen; and N is in integer between 0 and 2.
|
