METHOD OF OBTAINING DERIVATIVES OF PHENEM OR THEIR PHARMACEUTICALLY ACCEPTABLE SALTS
There are provided compounds of formula I :whereinR' is hydrogen or a C1-C4 alkyl group either unsubstituted or substituted by one or more substituents chosen from a free or protected hydroxy or halogen atom;R2 is a free or esterified carboxy group or carboxylate anion;R3 and R4 are each indepe...
Gespeichert in:
Hauptverfasser: | , , , , , |
---|---|
Format: | Patent |
Sprache: | eng ; rus |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | There are provided compounds of formula I :whereinR' is hydrogen or a C1-C4 alkyl group either unsubstituted or substituted by one or more substituents chosen from a free or protected hydroxy or halogen atom;R2 is a free or esterified carboxy group or carboxylate anion;R3 and R4 are each independently hydrogen or organic group,X is,-S-,Q is either(a") free or protected hydroxy, or(b") a C1-C4 acyloxy, or(c") carbamoyloxy OCONH2, or(d") an optionally substituted heterocyclylthio group, or(e") an optionally substituted imido group, or(f") an optionally substituted quaternary ammonium group or(g") a halogen atom, and the pharmaceutically or veterinarily acceptable salts thereof.There are provided also methods for preparing compounds of formula 1. The compounds of formula I are useful as antibacterial agents. |
---|