Therapeutic agents
US4522828A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 5, 1982 |
| Grant date | Jun 11, 1985 |
| Priority date | — |
| Expiry date | Apr 5, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of formula I ##STR1## in which R.sub.1 is C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, C.sub.3-7 cycloalkyl, cycloalkylalkyl or optionally substituted phenyl; R.sub.2 is H or C.sub.1-3 alkyl; R.sub.3 and/or R.sub.4 are H, formyl, C.sub.1-3 alkyl, C.sub.3-6 alkenyl, C.sub.3-6 alkynyl, C.sub.3-7 cycloalkyl or R.sub.3 and R.sub.4 together with the nitrogen atom form a heterocyclic ring system; R.sub.5 and/or R.sub.6 are H, halo, CF.sub.3, C.sub.1-3 alkyl, C.sub.1-3 alkoxy, C.sub.1-3 alkylthio or R.sub.5 and R.sub.6 together with the carbon atoms to which they are attached form a second benzene ring show therapeutic activity in the treatment of depression. Pharmaceutical compositions and processes for preparing compounds of formula I are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.