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...

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Bibliographische Detailangaben
Hauptverfasser: MARKO ALPEDZHANI,IT, FRANKO ZARINI,IT, KONSTANTINO DELLA BRUNA,IT, DZHOVANNI FRANCHESKI,IT, ETTORE PERRONE,IT, ANDZHELO BEDESKI,IT
Format: Patent
Sprache:eng ; rus
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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.