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.
ASCORBIC ACID DERIVATIVES AND SALTS THEREOF, PROCESS FOR THEIR PRODUCTION, AND COSMETIC PREPARATIONS THEREOF
申请人:Seiwa Kasei Company, Limited
公开号:EP2189452B1
公开(公告)日:2012-11-21
US8163939B2
申请人:——
公开号:US8163939B2
公开(公告)日:2012-04-24
Ascorbic acid derivative or salt thereof, production method thereof, and cosmetic
申请人:Seikwa Kasei Company, Limited
公开号:US08163939B2
公开(公告)日:2012-04-24
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.