| 摘要 |
Compounds of formula I, process for making same, and cosmetic compositions and methods of skin lightening using compounds of formula I as skin lightening agents: Where each A1 and/or A2 independently is =H or COR, CO2R ,CONHR, the latter three having the following formula 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 COR<1>, CO2R<1>,CONHR<1 >of formula B: and where R<1>=C1-C18 saturated or unsaturated, linear or branched, hydrocarbon; X is Carbon, Nitrogen, Sulfur, or Oxygen; and N is in integer between 0 and 2.
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