Pyrazolo-[3,4-g]isoquinoline derivatives useful to treat CNS disorders
US4963558A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 7, 1989 |
| Grant date | Oct 16, 1990 |
| Priority date | — |
| Expiry date | Dec 7, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P25/26
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Pharmaceutical compounds of the formula ##STR1## in which R.sup.1 is hydrogen or C.sub.1-6 alkyl, R.sup.2 is hydrogen, C.sub.1-6 alkyl optionally substituted by C.sub.3-9 cycloalkyl or optionally substituted phenyl, C.sub.3-9 cycloalkyl, optionally substituted phenyl, or --SR.sup.4 where R.sup.4 is C.sub.1-6 alkyl optionally substituted by C.sub.3-9 cycloalkyl or optionally substituted phenyl, or C.sub.3-9 cycloalkyl, R.sup.3 is hydrogen, C.sub.1-6 alkyl optionally substituted by C.sub.3-9 cycloalkyl or optionally substituted phenyl, c.sub.3-9 cycloalkyl, or optionally phenyl, and either X and Y are both hydrogen or together are .dbd.O; and acid addition salts thereof. These compounds show useful effects on the central nervous system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.