Hydroquinone amino-acid esters, method of preparation, and...

C - Chemistry – Metallurgy – 07 – C

Patent

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C07C 233/47 (2006.01) A61K 8/44 (2006.01) A61K 8/49 (2006.01) A61K 31/22 (2006.01) A61K 31/40 (2006.01) A61K 31/415 (2006.01) A61K 47/18 (2006.01) A61Q 19/02 (2006.01) C07C 229/06 (2006.01) C07C 233/83 (2006.01) C07C 323/59 (2006.01) C07D 207/28 (2006.01) C07D 209/26 (2006.01) C07D 233/64 (2006.01) A61K 7/48 (1990.01)

Patent

CA 2075926

Hydroquinone amino-acid esters having formula (I), pharmaceutical or cosmetic compositions containing them, particularly dermatological compositions having pigment-removing activity, and the pharmaceutical, cosmetic or aesthetic uses thereof. The preparation of these novel hydroquinone esters from natural amino-acid derivatives is also described.

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