申请人:GLAXOSMITHKLINE SPA
公开号:WO2002044154A1
公开(公告)日:2002-06-06
Certain compounds of formula (I) below or a pharmaceutically acceptable salt or hydrate thereof, wherein R1 is H or alkyl; R2 is R8R9; R8 is a single bond or alkyl, optionally substituted one or more times by hydroxy; R9 is aryl or cycloalkyl or heteroaryl, optionally substituted one or more times by hydroxy, alkoxy ou alkoxyalkyl; R3 is H or alkyl or cycloalkyl or cycloalkylalkyl, optionally substituted one or more times by hydroxy or by one or more fluorines; R4 is NR10R11; R10 and R11 Are independently selected from H or alkyl, or R10 and R11 together with the nitrogen atom to which they are attached form a saturated or unsaturated heterocyclic ring comprising 3-8 ring menbers, which heterocyclic ring is unsubstituted or is substituted one or more times by one or more substituents R12; R12 is oxo or R13R14R15, wherein R13 Is a single bond or alkyl, R14 is OC(O) or C(O)O, and R15 is H or alkyl; R5 is an alkyl, cycloalkyl, cycloalkylalkyl, aryl or single or fused ring aromatic heterocyclic group, which group is unsubstituted or is substituted one or more times by one or more substituents selected from halo such as fluoro, alkyl or haloalkyl such as fluoroalkyl; R6 represents H or up to three substituents independently selected from the list consisting of: alkyl, alkenyl, aryl, alkoxy or a hydroxylated derivative thereof, hydroxy, halogen, nitro, cyano, carboxy, carboxamido, sulphonamido, alkoxycarbonyl, haloalkyl such as trifluoromethyl, acyloxy, amino, mono- or di- alkylamino, alkoxyamido, alkoxycarboxylate or an esterified derivative thereof; R7 is H or halo; a is 1-6; and any of R1, R3, R5, R8, R10, R11 and R12 May optionally be substituted one or more times by halo, hydroxy, amino, cyano, nitro, carboxy or oxo; a process for preparing such compounds, a pharmaceutical composition comprising such compounds and the use of such compounds and composition in medicine.