Antiinflammatory, immunosuppressive and antialleric 16, 17-alkylidioxy-steroids
US5801165A · kind A · utility
0Cited by
13References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 2, 1995 |
| Grant date | Sep 1, 1998 |
| Priority date | — |
| Expiry date | Jun 2, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J3/005
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of formula I ##STR1## where R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, n, and are as defined herein, their use as antiinflammatory, immunosuppressive, and antiallergic agents, pharmaceutical compositions comprising them, and methods for their preparation comprising irradiating compounds of formula II ##STR2## under an inert atmosphere, in the presence or absence of a compound of formula R.sub.3 --S--S(O).sub.m --R.sub.8, where R.sub.7, R.sub.8, and m are as defined herein, and methods for their preparation comprising oxidizing, reducing, halogenating, or alkylating compounds of formula I are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.