Patent · US Expired

Streptogramin derivatives, their preparation and compositions containing them

US6569854B1 · kind B1 · utility

2Cited by
1References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 30, 2000
Grant dateMay 27, 2003
Priority date
Expiry dateJun 30, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07K5/06182
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Group A streptogramin derivatives of general formula (I) in which:R1 represents a halogen atom or an azido or thiocyanato radical,R2 represents a hydrogen atom or a methyl or ethyl radical,R3 represents a hydrogen atom, or the residue of an aliphatic, cycloaliphatic, aromatic, araliphatic, heterocyclic or heterocyclylaliphatic ester which may be substituted, andthe bond - - - represents a single bond (stereochemistry 27R) or a double bond,as well as its salts when they exist.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.