Prodrugs and conjugates of thiol-and selenol-containing compounds and methods of use thereof
申请人:——
公开号:US20030225255A1
公开(公告)日:2003-12-04
Disclosed is a prodrugs of the formula:
1
where A is a sulfur or a selenium, and R is derived from a mono- di- or oligo- saccharide.
Also disclosed is a prodrug of the formulas;
2
where A is sulfur or selenium, R′ is derived from a sugar and R′ has the formula (CHOH)
n
CH
2
OH, where n is 1 to 5, or R′ is an alkyl or aryl group, or
R′ is ═O, and the R″ groups may be the same or different and may be hydrogen, alkyl, alkoxy, carboxy.
Also disclosed is a conjugate of an antioxidant vitamin and a thiolamine or selenolamine.
Also disclosed is a prodrug of the formula;
3
where A is sulfur or selenium, and R′ is derived from a sugar and R′ has the formula (CHOH)
n
CH
2
OH, where n is 1 to 5, or R′ is also be an alkyl or aryl group, or
R′ is ═O, and R
‡
is an alkoxy, or an amine group.
Also disclosed is a prodrug of the formula:
4
R is COOH or H, and R′ is derived from a sugar and R′ has the formula (CHOH)
n
CH
2
OH, where n is 1 to 5, or R′ is an alkyl or aryl group, or
R′ is ═O.
本发明揭示了以下公式的前药:1其中A是硫或硒,R来源于单糖,双糖或寡糖。还揭示了以下公式的前药:2其中A是硫或硒,R′来源于糖,并且R′具有公式(CHOH)nCH2OH,其中n为1至5,或R′是烷基或芳基基团,或R′是═O,R″基团可以相同或不同,可以是氢,烷基,烷氧基,羧基。还揭示了抗氧化维生素和巯基胺或硒氨酸的结合物。还揭示了以下公式的前药:3其中A是硫或硒,R′来源于糖,并且R′具有公式(CHOH)nCH2OH,其中n为1至5,或R′也可以是烷基或芳基基团,或R′是═O,R‡是烷氧基或胺基团。还揭示了以下公式的前药:4其中R为COOH或H,R′来源于糖,并且R′具有公式(CHOH)nCH2OH,其中n为1至5,或R′是烷基或芳基基团,或R′是═O。