Streptogramin derivatives, their preparation and pharmaceutical compositions which contain them
US5786449A · kind A · utility
1Cited by
1References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 1997 |
| Grant date | Jul 28, 1998 |
| Priority date | — |
| Expiry date | Jan 31, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K38/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Streptogramine derivatives of general formula (I) below, wherein the radical R.sub.1 is a methyl or ethyl radical, the radical R.sub.2 is a bromine or chlorine atom, or is an alkenyl radical with 3 to 5 carbon atoms when R.sub.3 and R.sub.4 are methyl, and one of R.sub.3 and R.sub.4 is a hydrogen atom or a methyl radical and the other is a methyl radical are disclosed. The streptogramine derivatives of general formula (I) have particularly useful antibacterial properties, and may be used in combination with a pristinamycin II derivative. ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.