Treatment of depression
US3937841A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 24, 1974 |
| Grant date | Feb 10, 1976 |
| Priority date | — |
| Expiry date | Oct 24, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2603/18
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to new compounds of formula I ##SPC1## and salts thereof with pharmaceutically acceptable acids, in which formula all the substituents may be hydrogen, while R.sub.1 and R.sub.2 may furthermore be a methyl group, R.sub.3 an alkyl group, an alkoxy-alkylene group, an alkylthioalkylene group, an alkylsulphoxyalkylene group or an alkylsulphonalkylene group having up to 8 carbon atoms or a benzyl group, and R.sub.4, R.sub.5 and R.sub.6 a halogen atom, an alkyl group, an alkoxy group or an alkylthio group having up to 6 carbon atoms, a benzyloxy group, --OH, --NH.sub.2, a mono- or dialkylamino group, in which the alkyl group(s) contain(s) 1 or 2 carbon atoms, --CN or --CF.sub.3, and two of the substituents R.sub.4, R.sub.5 and R.sub.6 may each represent a metanitro group or together a trimethylene group, a tetramethylene group, a methylene dioxy group, an ethylene dioxy group, a benzo group, a pyridino group, an indeno-1,2-, a 1,4-benzthiazino-2,3 group or a 1,4-benzoxthiino-2,3 group, with the exception of the HCl salt of the compound in which R.sub.5 and R.sub.6 each represent an orthochlorine atom and R.sub. 1, R.sub.2, R.sub.3 and R.sub.4 each represent hydrogen…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.