Substituted iminoderivatives of dihydrobenzopyran and dihydrobenzothiopyran
US4497820A · kind A · utility
4Cited by
6References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 4, 1983 |
| Grant date | Feb 5, 1985 |
| Priority date | — |
| Expiry date | May 4, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D335/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Substituted imino derivatives of 4 H-2, 3-dihydrobenzopyran and 4 H-2, 3-dihydrobenzothiopyran, and pharmaceutical compositions containing them. The compounds are active on the central nervous system, in particular as central nervous system depressants, i.e., sedatives, anticonvulsive agents, tranquilizers and sleep-inducing agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.