Amino acid derivatives
US4931450A · kind A · utility
11Cited by
2References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 17, 1988 |
| Grant date | Jun 5, 1990 |
| Priority date | — |
| Expiry date | Oct 17, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D409/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the Formula I ##STR1## wherein R.sup.1 represents phenyl, or phenyl substituted by one, or more substituents selected from the group consisting of halogen, C.sub.1-7 -alkyl, and C.sub.1-7 -alkoxy, R.sup.2 represents furanyl, thienyl, pyridyl or pyrrolyl ortho substituted with C.sub.1-7 -alkyl or halogen and wherein R.sup.3 represents 3-carboxypiperidin-1-yl, 3-carboxy-1,2,5,6-tetrahydropyridin-1-yl or 3-carboxymethyl-pyrrolidin-1-yl, pharmaceutical compositions containing effective amounts of a compound of formula I and treatment of central nervous system ailments by administering a compound of formula I.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.