Pregnane derivatives as immunomodulators
US5192755A · kind A · utility
0Cited by
6References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 1990 |
| Grant date | Mar 9, 1993 |
| Priority date | — |
| Expiry date | May 17, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J31/006
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention provides novel pregnane derivatives having the formula: ##STR1## wherein X=F, Cl or Br; R.sub.1 =F or Cl; R.sub.2 =H(.beta.OH) or O; R.sub.3 =alkyl(1-4 C); R.sub.4 =alkyl(1-4 C); and the dotted line indicates the optional presence of a double bond. The novel compounds have been found to possess immunomodulating properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.