[EN] XANTHENEDIONE DERIVATIVES FOR THE TREATMENT OF PIGMENTATION AND SKIN AGEING DISORDERS [FR] DÉRIVÉS DE XANTHÈNEDIONE POUR LE TRAITEMENT DE TROUBLES DE PIGMENTATION ET DE VIEILLISSEMENT DE LA PEAU
XANTHENEDIONE DERIVATIVES FOR THE TREATMENT OF PIGMENTATION AND SKIN AGEING DISORDERS
申请人:Poigny Stéphane
公开号:US20130108568A1
公开(公告)日:2013-05-02
The invention relates to compound of generic formula (I) in which: R
1
and R
2
represent: OH, a hydrogen atom, a C
1
-C
6
alkyl radical a C
1
-C
6
alkoxy radical, a halogen, or OCOR
3
; R
3
represents: a C
1
-C
24
alkyl radical a C
12
-C
24
alkenyl radical comprising at least one unsaturation; R
4
represents: COR
5
, a glucide substituted or not by one or more acetyl radical(s); R
5
represents: a C
10
-C
24
alkyl radical or a C
12
-C
24
alkenyl radical comprising at least one unsaturation; R
6
and R
7
represent:—simultaneously a hydrogen atom or a methyl radical, or—when R
6
represents a hydrogen atom, R
7
represents a C
1
-C
6
alkyl radical or a phenyl substituted or not by one or more C
1
-C
3
alkoxy radical(s) or one or more halogen(s) or—R
6
and R
7
are bonded together and form a C
3
-C
6
cycloalkyl, and pharmaceutically or cosmetically acceptable salts.