Derivatives of 1-arylsulphonyl-2-oxo-5-alkoxy-pyrrolidine and medical compositions containing them
US4885306A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 2, 1988 |
| Grant date | Dec 5, 1989 |
| Priority date | — |
| Expiry date | Jun 2, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P25/28
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds useful in the treatment of patients suffering from intellectual or nervous asthenias, memory failures, senescence or mental strain of the formula (I) ##STR1## in which R' and R.sub.2, being identical or different, represent hydrogen, a linear, branched or cyclic alkyl containing up to 8 carbon atoms, alkenyl containing from 2 to 8 carbon atoms, acyl containing from 1 to 6 carbon atoms or aralkyl containing from 7 to 15 carbon atoms, R.sub.1 represents a possibly substituted aryl containing up to 14 carbon atoms, or a possibly substituted mono- or polycyclic heterocyclic aromatic radical; also therapeutic compositions containing those compounds and method of use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.