Analgesic and tranquilizing spiro[dihydrobenzofuran]piperidines and pyrrolidines
US4166119A · kind A · utility
31Cited by
4References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 1978 |
| Grant date | Aug 28, 1979 |
| Priority date | — |
| Expiry date | Apr 14, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D211/52
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel Spiro[dihydrobenzofuran-piperidine and pyrrolidine]s and methods of preparing same are described. These compounds are useful as analgetics and tranquilizers and as intermediates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.