Pharmaceutical compositions containing certain ascorbic acid derivatives useful in the prophylaxis and treatment of disorders of the circulatory system
US4959362A · kind A · utility
3Cited by
1References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 19, 1988 |
| Grant date | Sep 25, 1990 |
| Priority date | — |
| Expiry date | Sep 19, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D407/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An ascorbic acid derivative of the formula: ##STR1## wherein R.sup.1 is organic residue having molecular weight of from 15 to 700, R.sup.2 is hydrogen or hydroxyl, R.sup.3 is hydrogen, acyl, optionally substituted phosphono or sulfo, and R.sup.3 and hydroxyl or R.sup.2 may form acetal residue or ketal residue, and a salt thereof are provided. The compound [I] and salts thereof have antioxidant activity and excellent prophylactic and improving actions on disorders of circulatory functions, and they are usefule as antioxidant agent for food and as agents of prophylaxis and improvement of circulatory functional disorders.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.