GLYCERYL ASCORBIC ACID ACYLATED DERIVATIVE OR ITS SALT, PRODUCTION METHOD THEREOF, AND COSMETICS
申请人:YOSHIOKA Masato
公开号:US20130204017A1
公开(公告)日:2013-08-08
A glyceryl ascorbic acid acylated derivative or its salt, which has an ascorbic acid structure where 2- and/or 3-positions of the structure are substituted with glyceryl groups and some of the hydroxyl groups in the structure and/or in the glyceryl group are acylated, a production method of the glyceryl ascorbic acid acylated derivative and a cosmetic containing the glyceryl ascorbic acid acylated derivative or its salt are provided.
ASCORBIC ACID DERIVATIVE OR SALT THEREOF, PRODUCTION METHOD THEREOF, AND COSMETIC
申请人:Yoshioka Masato
公开号:US20110059034A1
公开(公告)日:2011-03-10
Disclosed is an ascorbic acid derivative or a salt thereof wherein at least one of hydrogen atoms in hydroxy groups at the 2-position and the 3-position of ascorbic acid is substituted by R—O—CH
2
—CH(OH)—CH
2
—, R—O—CH
2
—CH(CH
2
OH)—, R—CH(CH
2
OH)—, R—CH(OH)—CH
2
— (wherein R represents an alkyl group, an alkenyl group or a phenyl group), or a hydroxycyclohexyl group. Also disclosed is a method for producing an ascorbic acid derivative or a salt thereof, which is characterized by reacting ascorbic acid with an epoxy compound such as an alkyl glycidyl ether, an epoxy alkane or an alicyclic epoxy.
ASCORBIC ACID DERIVATIVE OR SALT THEREOF, METHOD FOR PRODUCING THE SAME, AND COSMETIC PREPARATION
申请人:Seiwa Kasei Company, Limited
公开号:EP2189452A1
公开(公告)日:2010-05-26
Disclosed is an ascorbic acid derivative or a salt thereof wherein at least one of hydrogen atoms in hydroxy groups at the 2-position and the 3-position of ascorbic acid is substituted by R-O-CH2-CH(OH)-CH2-, R-O-CH2-CH(CH2OH)-, R-CH(CH2OH)-, R-CH(OH)-CH2- (wherein R represents an alkyl group, an alkenyl group or a phenyl group), or a hydroxycyclohexyl group. Also disclosed is a method for producing an ascorbic acid derivative or a salt thereof, which is characterized by reacting ascorbic acid with an epoxy compound such as an alkyl glycidyl ether, an epoxy alkane or an alicyclic epoxy.