Ceramide-like compounds having antioxidant property and a method for preparation thereof, and a cosmetic composition containing the same
申请人:——
公开号:US20010056083A1
公开(公告)日:2001-12-27
Disclosed herein is a ceramide-like compound having properties of the natural ceramides and represented by the following formula (I), and a method for producing the same, and a cosmetic composition containing the same as an active ingredient.
1
wherein,
m and n, which may be the same or different, each is independently an integer from 1 to 3, inclusive;
k and 1, which may be the same or different, each is independently an integer from 1 to 2, inclusive;
j is 0 or 1;
A
1
, A
2
and A
3
, which may be the same or different, each represents H or any one of the following structures :and
2
(wherein,
M, M
1
and M
2
represent independently alkali metals or organic base containing nitrogen, and
L represents alkaline earth metals.)
R represents a group having the following structure:
3
wherein,
B is methyl group at the 5-,7- or 8- position;
m is an integer from 1 to 3, inclusive;
D is —CH
2
—CH(CH
3
)- or —CH═C(CH
3
)-.
本文公开了一种类似于天然鞘氨醇的化合物,其具有天然鞘氨醇的特性,由以下式子(I)表示,以及其制备方法和含有其作为活性成分的化妆品组合物。其中,m和n分别是1到3之间的整数,可以相同也可以不同;k和1分别是1到2之间的整数,可以相同也可以不同;j为0或1;A1、A2和A3可以相同也可以不同,分别表示H或以下结构中的任意一种:其中,M、M1和M2分别独立地表示含氮的碱金属或有机碱基,L表示碱土金属;R表示具有以下结构的基团:其中,B是5-、7-或8-位的甲基基团;m是1到3之间的整数;D是—CH2—CH(CH3)-或—CH═C(CH3)-。