Method for the preparation of unsaturated hydroxy fatty acids and their esters, their use in pharmaceutical and/or cosmetic preparations
申请人:Pierre Potier
公开号:US20040204596A1
公开(公告)日:2004-10-14
A method of preparing unsaturated hydroxy fatty acids and esters thereof corresponding to general formula (Id):
1
wherein n=1 to 4, m=2 to 16, R
1
═OH, Cl, Br, OR
3
in which R
3
is a straight or branched alkyl, alkenyl or alkynyl radical of 1 to 16 carbons or glycerol esters, optionally substituted by one or more atoms selected from the group consisting of carbon, nitrogen, sulfur and halogens, R
2
═H, SiR′
1
R′
2
R′
3
in which R′
1
, R′
2
and R′
3
can be identical or different from each other and are a straight or branched alkyl, alkenyl or alkynyl radical of 1 to 16 carbons or glycerol esters, optionally substituted by one or more atoms selected from the group consisting of carbon, nitrogen, sulfur and halogens, or R
2
═C—Ar
3
with Ar representing an aryl radical optionally substituted by one or more atoms selected from the group consisting of carbon, nitrogen, sulfur and halogens, or R
2
=the tetrahydropyranyl of formula:
2
is disclosed.
一种制备与通式(Id)相对应的不饱和羟基脂肪酸及其酯的方法:其中n=1至4,m=2至16,R1=OH、Cl、Br、OR3,其中R3是1至16碳的直链或支链烷基、烯基或炔基基团或甘油酯,可选择地被来自由碳、氮、硫和卤素的一个或多个原子替代,R2=H、SiR′1R′2R′3,其中R′1、R′2和R′3可以相同也可以不同,是1至16碳的直链或支链烷基、烯基或炔基基团或甘油酯,可选择地被来自由碳、氮、硫和卤素的一个或多个原子替代,或R2=C—Ar3,其中Ar代表一个芳基基团,可选择地被来自由碳、氮、硫和卤素的一个或多个原子替代,或R2=通式(2)的四氢吡喃基。