17β-carbothioate 17α-arylcarbonyloxyloxy androstane derivative as anti-inflammatory agents
US7498321B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 3, 2001 |
| Grant date | Mar 3, 2009 |
| Priority date | — |
| Expiry date | Jul 17, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
There are provided according to the invention compounds of formula (I) wherein R1 represents C1-6 alkyl or C1-6 haloalkyl; R2 represents —C(═O)-aryl or —C(═O)-heteroaryl; R3 represents hydrogen, methyl (which may be in either the α or β configuration) or methylene; R4 and R5 are the same or different and each represents hydrogen or halogen; and——represents a single or a double bond; and salts and solvates thereof. There are also provided processes for preparing compounds of formula (I) and use of the compounds in therapy especially in the treatment of inflammatory and allergic conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.