3-oxadiazolyl-5-aminoalkyl-beta-carboline derivatives compositions and use
US4757070A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 8, 1987 |
| Grant date | Jul 12, 1988 |
| Priority date | — |
| Expiry date | Dec 8, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P25/28
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compounds of formula I ##STR1## wherein n is 0 or 1, PA0 R.sup.1 is hydrogen or lower alkyl, PA0 R.sup.2 and R.sup.3 each independently is hydrogen, optionally substituted lower alkyl, acyl or aryl, or together with the nitrogen atom form a 5-6-member heterocycle, PA0 R.sup.4 is hydrogen, lower alkyl or lower alkoxyalkyl and PA0 X is COOR.sup.6, CO--NR.sup.7 R.sup.8, or an oxadiazolyl radical of the formula ##STR2## wherein R.sup.5 is H, lower alkyl or cycloalkyl, PA0 R.sup.6 is H or lower alkyl, PA0 R.sup.7 and R.sup.8 each independently is hydrogen, optionally substituted lower alkyl, acyl or aryl, or PA0 R.sup.7 and R.sup.8 together with the nitrogen atom can form a 5-6-member heterocycle, are valuable drugs, e.g., have psychotropic activity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.