Glycyrrhetic acid derivatives and use thereof
US4871740A · kind A · utility
12Cited by
2References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 24, 1987 |
| Grant date | Oct 3, 1989 |
| Priority date | — |
| Expiry date | Nov 24, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C233/12
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A glycyrrhetic acid derivative of the formula ##STR1## wherein X and Y are hydrogen atom, respectively or X is oxygen atom together with Y, A.sub.1 is methylene or carbonyl radical, A.sub.2 is hydrogen atom, cyano, carbamoyl, carboxyl radical or alkoxycarbonyl group, m and n are an integer, respectively, R.sub.1 is a radical of ##STR2## in which R.sub.2 is an alkyl, alkenyl group, phenyl radical or a substituted phenyl radical, A.sub.3 is S, O or NH, and l is an integer, a process for the preparation of the derivatives, and use of the derivative as a pharmaceutical agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.