3-phenoxy (or phenylthia) cyclopentanecarbonylamino acid analogues
US4888351A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 7, 1988 |
| Grant date | Dec 19, 1989 |
| Priority date | — |
| Expiry date | Nov 7, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P25/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention relates to compounds presented by the general formula: ##STR1## [wherein R.sup.1 and R.sup.2 are: (i) R.sup.1, R.sup.2 and carbon atoms to which R.sup.1 and R.sup.2 are linked, together represent the group of the general formula: ##STR2## (wherein R.sup.5 and R.sup.6 represent hydrogen, alkyl, cycloalkyl, cycloalkyl-alkyl or phenyl, independently, with the proviso that R.sup.5 and R.sup.6 is not hydrogen atoms at the same time), or PA1 (ii) R.sup.1 represents hydrogen and R.sup.2 represents the group of the formula: --COR.sup.7 (wherein R.sup.7 represents the group of the formula: ##STR3## (wherein Y represents a single-bond, alkylene, alkenylene, W represents oxygen or sulfur, m represents 1 to 3, R.sup.8 represents hydrogen, halogen, nitro, hydroxy, alkyl or alkoxy, with the proviso that when m represents two or more, plural R.sup.8 s may be different each, and R.sup.9 represents hydrogen, alkyl or phenyl group, with the proviso that two of R.sup.9 may be different each)), R.sup.3 represents hydrogen, halogen, alkyl group or two of R.sup.3 and phenyl to which two of R.sup.3 are linked, together represent naphthyl of the formula: ##STR4## (wherein R.sup.10 represent…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.