Antireproductive tricyclic ortho-fused nitrogen containing compounds
US4313950A · kind A · utility
2Cited by
3References
8Claims
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Inventors
Key dates
| Filing date | Jan 30, 1981 |
| Grant date | Feb 2, 1982 |
| Priority date | — |
| Expiry date | Jan 30, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
New tricyclic ortho-fused nitrogen containing compounds of the following formula: ##STR1## wherein R and R.sub.1 are independently selected from hydrogen, fluoro, chloro, bromo and (C.sub.1 -C.sub.4)alkoxy; A may be --CH.sub.2 --, --CH.sub.2 --CH.sub.2 --, --CH.dbd.CH-- or --(CH.sub.2).sub.3 --; X represents a nitrogen atom or the group CH; and salts therewith of pharmaceutically acceptable acids. The compounds possess an outstanding antireproductive utility.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.