Carbamoylpyrrolidone derivatives and drugs for senile dementia
US5120733A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 23, 1990 |
| Grant date | Jun 9, 1992 |
| Priority date | — |
| Expiry date | Aug 23, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D471/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A compound of the formula: ##STR1## (wherein R is phenoxy optionally substituted by a halogen, methoxy, or methyl group, ##STR2## one of A and B is ##STR3## and the other is >CH.sub.2 ; PA1 R.sup.1 is hydrogen or C.sub.1 -C.sub.5 alkyl; PA1 Z.sup.1 is phenyl, benzyl, or isoxazolyl each optionally substituted by a halogen, methoxy, or methyl group; Z.sup.2 is hydrogen, C.sub.1 -C.sub.5 alkyl, C.sub.2 -C.sub.5 alkenyl, or phenyl optionally mono-, di-, or tri-substituted by a halogen, methoxy, or methyl group; or Z.sup.1 and Z.sup.2 taken together with the adjacent nitrogen atom may form 5-membered heterocyclic group; Z.sup.3 is C.sub.1 -C.sub.5 hydroxyalkyl, di(C.sub.1 -C.sub.5 alkyl) sulfamoyl, 6-membered heterocyclic group, phenyl, benzyl, or phenylsulfonyl each phenyl moiety of the last three members being optionally substituted by a halogen, methoxy, or methyl group; Z.sup.4 is phenyl optionally substituted by a halogen, methoxy, or methyl group or 5- or 6-membered heterocyclic group which is optionally substituted by a halogen, methoxy, or methyl group and which can be optionally condensed with a benzene ring; Z.sup.5 is thienyl or phenyl each optionally substituted by a halogen…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.