申请人:L'Oreal
公开号:US05124081A1
公开(公告)日:1992-06-23
Amphiphilic lipid compound having the formula: ##STR1## in which: R.sub.1 denotes a C.sub.7 -C.sub.21 alkyl or alkenyl radical, R.sub.2 denotes a saturated or unsaturated C.sub.7 -C.sub.31 hydrocarbon radical, COA denotes a group chosen from the following groups: a) COOM, M being H, Na, K, NH.sub.4 or a substituted ammonium ion derived from an amine, b) ##STR2## B being a radical derived from mono- or polyhydroxylated primary or secondary amines and R denoting a hydrogen atom or a methyl, ethyl or hydroxyethyl radical, c) ##STR3## Q denoting a substituted aminoalkyl or ammonioalkyl radical and R having the meaning indicated for b), and d) COOZ, Z representing the residue of a C.sub.3 -C.sub.7 polyol, and a process for its preparation. Cosmetic or dermopharmaceutical composition comprising the said compound and especially an aqueous dispersion of liposomes.
具有以下式子的两性脂质化合物:##STR1##
其中:R.sub.1表示C.sub.7-C.sub.21烷基或烯基基团,R.sub.2表示饱和或不饱和的C.sub.7-C.sub.31碳氢基团,COA表示从以下组中选择的一组:a) COOM,其中M为H,Na,K,NH.sub.4或由胺衍生的取代铵离子,b) ##STR2##其中B表示来自单或多羟基的一级或二级胺的基团,R表示氢原子或甲基,乙基或羟乙基基团,c) ##STR3##其中Q表示取代的氨基烷基或铵基基团,R具有b)中所示的含义,d) COOZ,其中Z表示C.sub.3-C.sub.7多元醇的残基,以及其制备过程。包含所述化合物的化妆品或皮肤药用组合物,特别是脂质体的水分散体。