Morpholine derivatives, pharmaceutical compositions and use
US4923863A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 6, 1989 |
| Grant date | May 8, 1990 |
| Priority date | — |
| Expiry date | Jun 6, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P25/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compounds are disclosed of formula (I): ##STR1## wherein R.sub.1 and R.sub.2 are the same or different and are C.sub.1-6 alkyl or C.sub.3-6 alkenyl; or --NR.sub.1 R.sub.2 forms a 5-membered (optionally containing an oxygen atom adjacent to the nitrogen) or a 6-membered ring, which ring optionally contains one unit of unsaturation and which is unsubstituted or substituted by hydroxy, oxo, optionally substituted methylidene, --COR.sub.3 (where R.sub.6 represents C.sub.1-6 alkyl, OR.sub.4 or --NHR.sub.4, and R.sub.4 represents hydrogen, C.sub.1-6 alkyl, aryl, ar(C.sub.1-6)alkyl) or .dbd.NOR.sub.5 (where R.sub.5 represents C.sub.1-6 alkyl); PA0 X represents a direct bond, --CH.sub.2 -- or --CH.sub.2 O--; PA0 Ar represents a substituted phenyl moiety; and physiologically acceptable salts thereof. The compounds are indicated as useful for the treatment of pain and cerebral ischaemia. Processes and intermediates for their preparation and pharmaceutical compositions containing them are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.