[EN] HETEROCYCLIC MUTILIN ESTERS AND THEIR USE AS ANTIBACTERIALS<br/>[FR] ESTERS DE MUTILINE HETEROCYCLIQUES ET LEUR UTILISATION EN TANT QU'AGENTS ANTIBACTERIENS
申请人:SMITHKLINE BEECHAM PLC
公开号:WO2002012199A1
公开(公告)日:2002-02-14
Pleuromutilin compounds of formula (I), (II) in which: R1 is: a 5- or 6-membered aromatic or heteroaromatic ring attached via a ring carbon atom, preferably pyridyl, and comprising a substituent selected from halo, R?7O-, R7S- or R8R9¿N- on a ring carbon adjacent to the carbon of attachment; or a 5- or 6-membered dihydro heteroaromatic ring attached via a ring carbon atom and comprising one oxygen or one or two nitrogen atoms and optionally fused to phenyl, a 5- or 6-membered heteroaryl ring comprising one or two nitrogen atoms or a 5- or 6-membered heterocyclyl ring comprising a sulphur, oxygen or nitrogen atom and further comprising a substituent selected from oxo or thioxo on a ring carbon adjacent to the carbon of attachment; a 6-membered tetrahydro heteroaromatic ring attached via a ring carbon atom comprising one or two nitrogen atoms and further comprising two substituents independently selected from oxo or thioxo wherein one of the substituents is on a ring carbon adjacent to the carbon of attachment; or a bicyclic heteroyaryl ring attached via a ring carbon atom and comprising nine or ten ring atoms and from one to four nitrogen atoms; wherein the ring of R1 may be optionally further substituted; R2 is vinyl or ethyl; R3 is H, OH or F and R4 is H, or R3 is H and R4 is F and R?5 and R6¿ together form an oxo group; or R?3 and R4¿ is each H and R5 is H, or OH and R6 is H or H5 is H and R6 is H or OH; R7 is optionally substituted C¿(1-6)?alkyl; and R?8 and R9¿ are independently selected from hydrogen or optionally substituted C¿(1-6)?alkyl, present antibacterial activity.