Anaesthetic steroids of the pregnane and 19-norpregnane series having a sulfur-containing group at the 21-position
US3959260A · kind A · utility
7Cited by
1References
22Claims
0Family size
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Inventors
Key dates
| Filing date | Jul 16, 1974 |
| Grant date | May 25, 1976 |
| Priority date | — |
| Expiry date | Jul 16, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D211/70
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Steroid anaesthetics of the pregnane and 19-norpregnane series are described, the compounds possessing a 3.alpha.-hydroxy group, a 17.alpha.-hydrogen atom, a 20-oxo group and at the 21-position the residue of a sulphur nucleophile or a sulphone or sulphoxide grouping.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.